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Journal articles on the topic 'Cd(II) complexes'

Author: Grafiati

Published: 5 June 2025

Last updated: 1 August 2025

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1

Khatun, Tahmina, Md Abdus Salam, and A. K. M. Nur Alam Siddiki. "Synthesis, Characterization and Biological Studies of Schiff Base Complexes of Fe(II), Cd(II), Hg(II) and Co(II) Derived from Lysine and Salicylaldehyde." Dhaka University Journal of Pharmaceutical Sciences 24, no. 1 (2025): 29–37. https://doi.org/10.3329/dujps.v24i1.82405.

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This study reports the synthesis and characterization of Fe(II), Cd(II), Hg(II) and Co(II) complexes with a Schiff base derived from lysine and salicylaldehyde. Elemental analysis confirmed successful synthesis. UV-Vis spectroscopy revealed significant electronic transitions and metal-to-ligand charge transfers. Thermogravimetric analysis showed distinct thermal decomposition patterns, indicating the stability and composition of the complexes. Magnetic susceptibility measurements indicated paramagnetic behavior for Fe(II) and Co(II) complexes, suggesting tetrahedral geometry, while Cd(II) and

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2

Spinu, Cezar, Angela Kriza, Aurelia Meghea, and Cristian Tigae. "STUDIES ON N-[2-THIENYLMETHYLIDENE)-2-AMINOPYRIDINE COMPLEXES OF Fe(II), Co(II), Ni(II), Cu(II), Zn(II) AND Cd(II)." SOUTHERN BRAZILIAN JOURNAL OF CHEMISTRY 9, no. 10 (2001): 17–22. http://dx.doi.org/10.48141/sbjchem.v9.n10.2001.20_2001.pdf.

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Metal complexes ML2Cl2, where M is Fe(II), Co(II), Ni(II), Cu(II), Zn(II) and Cd(II) and L is Schiff base formed by condensation of 2-thiophenecarboxaldehyde and 2-aminopyridine, N-[2-thienylmethylidene]-2-arninopyridine (TNAPY), have been prepared and characterized by elemental analysis, magnetic and spectroscopic measurements. IR and NMR spectra show that the nitrogen of the azomethyne group and the sulphur of the thiophene ring take part in coordination. Magnetic, ESR and electronic spectral studies show a distorted octahedral structure for the Fe(II), Co(II), Ni(II) and Cu(II) complexes an

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3

Yadav, M., and Debasis Behera. "Synthesis, Characterization, and Biological Activity of Mn(II), Fe(II), Co(II), Ni(II), Cu(II), Zn(II), and Cd(II) Complexes of N-Thiophenoyl-N′-Phenylthiocarbohydrazide." Journal of Chemistry 2013 (2013): 1–8. http://dx.doi.org/10.1155/2013/721397.

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Mn(II), Fe(II), Co(II), Ni(II), Cu(II), Zn(II), and Cd(II) complex of N-thiophenoyl -N′-phenylthiocarbohydrazide (H2TPTH) have been synthesized and characterized by elemental analysis, magnetic susceptibility measurements, infrared, NMR, electronic, and ESR spectral studies. The complexes were found to have compositions [Mn(H TPTH)2], [Co(TPTH) (H2O)2], [Ni(TPTH) (H2O)2], [Cu(TPTH)], [Zn(H TPTH)], [Cd(H TPTH)2], and [Fe(H TPTH)2(EtOH)]. The magnetic and electronic spectral studies suggest square planar geometry for [Cu(TPTH)], tetrahedral geometry for [Zn(TPTH)] and [Cd(H TPTH)2], and octahedr

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4

Kumar, Rajeev, Sanjay Kumar та Madhu Bala. "Studies on Inclusion Complexes of β-Cyclodextrin with Some Metal Complexes of Isatinylsemicarbazone and Isatinylthiosemicarbazone". Asian Journal of Chemistry 32, № 12 (2020): 3197–202. http://dx.doi.org/10.14233/ajchem.2020.22993.

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The complexes of Co(II), Ni(II), Zn(II) and Cd(II) with isatinylsemicarbazone (IstscabH) and isatinylthiosemicarbazone (IsttscabH) of composition ML2·2H2O [M = Co(II) or Ni(II) and LH = IstscabH or IsttscabH] and ML2 [M = Zn(II) or Cd(II) and LH = IstscabH or IsttscabH] have been synthesized and their antibacterial activity has been investigated. Their inclusion complexes with β-cyclodextrin (β-CD) having composition [ML2(β-CD)·2H2O] or M(C60H88N8O39S2)], [M = Co(II) or Ni(II) and LH = IstscabH or IsttscabH] and [ML2(β-CD) or M(C60H84N6O-37S2)], [M = Zn(II) or Cd(II) and LH = IstscabH or Istts

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5

Halim, Abdul, Md Shahidur Rahman, Pradip K. Bakshi, and A. A. Shaikh. "Cu(II), Zn(II), and Cd(II) Complexes of L-Asparagine: Preparation, Characterization and Electrochemical Properties." Dhaka University Journal of Science 73, no. 1 (2025): 31–37. https://doi.org/10.3329/dujs.v73i1.81282.

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L-asparaginato complexes of Copper(II), Zinc(II) and Cadmium(II) were synthesized from their respective metal oxide and L-asparagine. These prepared complexes were characterized by their metal content analysis, infrared, and ultravioletvisible spectral studies, magnetic susceptibility measurement, thermal analysis, and cyclic voltammetric measurement. Physico-chemical investigations reveal that [M(OOCCHNH2CH2CONH2)2], (M = Cu(II), Zn(II), and Cd(II)) is the general formula for the complexes. L-asparagine combines with metal oxides to form bis(L-asparaginato)metal(II) complexes in which the met

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6

Taqa, Amer A. "Some complexes of N-aryl furfural nitrones with Co (II), Ni (II), Cu (II), Zn (II) and Cd (II) chlorides." International Journal of Advanced Chemistry 4, no. 1 (2016): 10. http://dx.doi.org/10.14419/ijac.v4i1.6086.

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Some new metal(II) dichloride complexes with the ligands substituted nitrones of the general formula [ML2Cl2], where M= Co(II), Ni(II), Cu(II), Zn(II) and Cd(II), L=OCH=CHCH=C-CH=N(O)C6H4X (X=H,p-CH3,CH3O,CH3CO,F,Cl,and Br) have been prepared and characterized by elemental analysis, IR,1H,13C NMR and Vis/Uv spectroscopy. The IR spectral data showed that the nitrone ligands coordinated with the metal ion through the most active atom of the N-oxide to give square planner coordinate (Cu,Ni,) complexes and (Zn,Cd,Co) tetrahedral complexes. No correlation was observed between the N-O vibrations str

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7

Mahadev, Krishna, and Siddappa Kuruba. "Synthesis, Spectroscopic Characterization and Biological Studies of Some Metal(II) Complexes of Nicotinic Hydrazide Moiety." Asian Journal of Chemistry 37, no. 4 (2025): 843–50. https://doi.org/10.14233/ajchem.2025.33437.

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In this study, a new ligand N′-(1-(2-oxo-2H-chromen-3-yl)ethylidene)nicotinohydrazide was synthesized and characterized. Then, the ligand was reacted with Co(II), Ni(II), Cu(II), Zn(II) and Cd(II) metal ions affording its metal(II) complexes. Through elemental analysis, molar conductance, magnetic data, UV-visible, FT-IR, 1H NMR and mass spectra, the structural characterization of all the metal(II) complexes were accomplished. The FT-IR data demonstrated that in the metal(II) complexes, the ligand chelated to metal ion in a tridentate manner. The UV-visible spectral and magnetic data showed th

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8

Begum, Salma, Humaira Yeasmin, Tapas Debnath, AA Shaikh, and Pradip K. Bakshi. "Synthesis and Characterization of Cu(II), Zn(II), Cd(II) and Hg(II) Complexes of Rabeprazole." Dhaka University Journal of Science 65, no. 2 (2017): 157–62. http://dx.doi.org/10.3329/dujs.v65i2.54524.

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Rabeprazole (RPZH) (available as rabeprazole sodium, RPZNa) is a proton pump inhibitor (PPI), widely used for the treatment of acid-related diseases in the stomach and duodenum. It is a weak base with pKa= 4.9 and show a strong ability to form complexes with transition and nontransition metal ions. Its complexes with Cu(II), Zn(II), Cd(II) and Hg(II) have been synthesized and characterized by solubility, melting point, metal content estimation, IR and UV-Visible spectral analysis, magnetic measurement, thermogravimetric analysis, differential scanning calorimetry and X-ray powder diffraction s

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9

BIPlN, B. MAHAPATRA, K. RAVAL M., K. BEHERA A., and K. DAS A. "Polymetallic Complexes. Part-XLVI. Complexes of Cobalt-, Nickel-, Copper-, Zinc-, Cadmium-, Mercury(II) with ON-x-NO Donor Doubly-bidentate Chelating Schiff Bases." Journal of Indian Chemical Society Vol. 72, Mar 1995 (1995): 161–64. https://doi.org/10.5281/zenodo.5901304.

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Department of Chemistry, Khallikote College, Berhampur-760 001 <em>Manuscript received 11 May 1993, accepted 16 November 1993</em> Schiff bases derived from 4,4'-diaminodiphenylsulphone with salicyladehyde and 2-hydroxy-1-naphthaldehyde behave as ON-x-NO donor doubly-bidentate ligands and form dinuclear complexes with divalent Co, Ni, Cu, Zn, Cd and Hg ions. The Co<sup>II</sup> Ni<sup>II</sup> and Cu<sup>II</sup> complexes are found to be either octahedral or distorted-octahedral, whereas a tetradedral stereochemistry can be assigned to the Zn<sup>II</sup>, Cd<sup>II</sup> and Hg

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10

M R, Anil Kumar, Shanmukhappa S, Rangaswamy B E, and Revanasiddappa M. "Synthesis, spectral characterization and some biological studies of transition metal complexes with Schiff base ligand containing N,O and S as donor atoms." JOURNAL OF ADVANCES IN CHEMISTRY 13, no. 9 (2017): 6513–19. http://dx.doi.org/10.24297/jac.v13i9.5733.

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Transition metal complexes of Cu(II), Co(II), Ni(II), Zn(II), Cd(II) and Mn(II) have been synthesized with the Schiff base ligand 5-Sub-N-(2-mercaptophenyl)salicylideneimine. Elemental analysis of these complexes suggest that these metal ions forms complexes of type ML(H2O)stoichiometry for Cu(II), Co(II), Ni(II), Zn(II), Cd(II) and Mn(II). The ligand behaves as tridentate and forms coordinate bonds through O, S and N atoms. Magnetic susceptibility, IR, UV â€“ Visible, Mass and ESR spectral studies suggest that Cu(II), Ni(II) complexes posses square planar geometry, whereas Co(II), Zn(II), Cd(

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11

Abdullah, Tohama B., Reza Behjatmanesh-Ardakani, Ahmed S. Faihan, et al. "Cd(II) and Pd(II) Mixed Ligand Complexes of Dithiocarbamate and Tertiary Phosphine Ligands—Spectroscopic, Anti-Microbial, and Computational Studies." Molecules 28, no. 5 (2023): 2305. http://dx.doi.org/10.3390/molecules28052305.

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Mixed ligand complexes of Pd(II) and Cd(II) with N-picolyl-amine dithiocarbamate (PAC-dtc) as primary ligand and tertiary phosphine ligand as secondary ligands have been synthesized and characterized via elemental analysis, molar conductance, NMR (1H and 31P), and IR techniques. The PAC-dtc ligand displayed in a monodentate fashion via sulfur atom whereas diphosphine ligands coordinated as a bidentate mode to afford a square planner around the Pd(II) ion or tetrahedral around the Cd(II) ion. Except for complexes [Cd(PAC-dtc)2(dppe)] and [Cd(PAC-dtc)2(PPh3)2], the prepared complexes showed sign

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12

Majid A. Adam, Abdel, Moamen S. Refat, Mohamed Y. El-Sayed, and Amnah Mohammed Alsuhaibani. "Capturing Mn(II), Zn(II), and Cd(II) ions using gallic acid: Synthesis, spectroscopic analysis, thermal stability, and microscopic imaging." Bulletin of the Chemical Society of Ethiopia 39, no. 8 (2025): 1579–92. https://doi.org/10.4314/bcse.v39i8.10.

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This study aimed to investigate and analyze the complexes formed between the naturally occurring plant-derived phenolic compound gallic acid (GA) and three transition metal ions: Mn(II), Zn(II), and Cd(II). A combination of stoichiometric, structural, thermal, and microscopic evaluation techniques was employed for this purpose. The GA-Mn, GA-Zn, and GA-Cd complexes were prepared through a multi-step process involving five key stages: dissolving the reagents, combining the reagents, collecting the precipitates of the complexes, and filtering and refining the complexes. A variety of physicochemi

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13

Sumathi, R. B., and M. B. Halli. "Metal (II) Complexes Derived from Naphthofuran-2-carbohydrazide and Diacetylmonoxime Schiff Base: Synthesis, Spectroscopic, Electrochemical, and Biological Investigation." Bioinorganic Chemistry and Applications 2014 (2014): 1–11. http://dx.doi.org/10.1155/2014/942162.

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A new Schiff base and a new series of Co(II), Ni(II), Cu(II), Cd(II), and Hg(II) complexes were synthesized by the condensation of naphthofuran-2-carbohydrazide and diacetylmonoxime. Metal complexes of the Schiff base were prepared from their chloride salts of Co(II), Ni(II), Cu(II), Cd(II), and Hg(II) in ethanol. The ligand along with its metal complexes have been characterized on the basis of analytical data, IR, electronic, mass,1HNMR, ESR spectral data, thermal studies, magnetic susceptibility, and molar conductance measurements. The nonelectrolytic behaviour of the complexes was assessed

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14

Wałęsa-Chorab, Monika, Adam Gorczyński, Damian Marcinkowski, Zbigniew Hnatejko, and Violetta Patroniak. "Supramolecular complexes of cobalt(II), manganese(II) and cadmium(II) with bis(terpyridine) ligand as novel luminescent materials." Polish Journal of Chemical Technology 15, no. 3 (2013): 91–95. http://dx.doi.org/10.2478/pjct-2013-0052.

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Abstract Self-assembly of N6-donor bis(terpyridine) ligand L with transition metal ions: Co(II), Mn(II) and Cd(II) leads to a formation of three kinds of supramolecular complexes. In the electronic absorption and emission spectra of supramolecular complexes additional bands were observed what was ascribed to the coordination of ligand molecules to metal ions. Luminescence properties of these complexes strongly depend on the kind of metal ions and counter ions. The effective blue luminescence was observed in the case of Mn(II) and Cd(II) complexes in which all N-donor atoms of ligand molecules

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15

Desai, R. M., M. K. Shah, and V. H. Shah. "Preparation and Antimicrobial Screeningof Cu (II), Ni (II), Zn (II) Cd (II) Complexes." E-Journal of Chemistry 3, no. 3 (2006): 137–41. http://dx.doi.org/10.1155/2006/897673.

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The metal complexes of Ni(II), Cu(II), Zn(II) Cd(II) with organic ligandsvizHydrazine hydrate, 1,2-N,N'-Bisammonium thiocarbamoyl ethane and 1,4-N,N'-Bisammonium thiocarbamoyl benzene have been prepared. These ligands and metal complexes of dithiocarbamates were screened for their antimicrobial activity against various microbs.

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16

Salas-Peregrin, J. M., M. N. Moreno-Carretero, and E. Colacio-Rodriguez. "Zn(II), Cd(II), and Hg(II) complexes of 6-amino-3-methyl-5-nitrosouracil." Canadian Journal of Chemistry 63, no. 12 (1985): 3573–76. http://dx.doi.org/10.1139/v85-586.

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The preparation and spectral properties of the complexes of 6-amino-3-methyl-5-nitroso-uracil (HAMNU) with Zn(II), Cd(II), and Hg(II) ions are reported. The results suggest that the exocyclic oxygen and nitrogen atoms have a much greater tendency to bind to these ions than the ring nitrogen atoms. In Zn(II) and Cd(II) complexes, the ligand is N,O-coordinated through the 5-nitroso and 6-oxide groups of (AMNU) in nitrosophenolic anionic form. In the Hg(II) complexes, the ligand seems to be bound in neutral form. Tetrahedral structures are proposed in all cases.

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17

Bipin, B. Mahapatra, Pujari Pranati, and Ku. Panda Saroj. "Polymetallic complexes. Part-CI : Dimeric and tetrameric CoII, NiII, CuII, znII, Cdll and Hgll complexes with tetra and octadentate azodye ligands." Journal of Indian Chemical Society Vol. 88, Sep 2011 (2011): 1447–52. https://doi.org/10.5281/zenodo.5790400.

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Silicon Institute of Technology, Sason, Sambalpur, Orissa, India <em>E-mail</em> : mahapatra. bipin@yahoo.com P.G. Department of Chemistry, G. M. Autonomous College, Sambalpur, Orissa, India <em>E-mail </em>: sarojbadmal@yahoo.com <em>Manuscript received 16 June 2010, revised 27 January 2011, accepted 02 February 2011</em> Six dimeric and six tetrameric complexes of Co<sup>II</sup>, Ni<sup>II</sup>, Cu<sup>II</sup>, zn<sup>II</sup>, Cd<sup>II</sup> and Hg<sup>II</sup> with one tetradentate and  octadentate ligand having \(\stackrel\frown{ON}\)-\(\subset\) \(\begin{matrix} O \\ O \end

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18

Spînu, C., M. Pleniceanu, and C. Tigae. "Biologically active new Fe(II), Co(II), Ni(II), Cu(II), Zn(II) and Cd(II) complexes of N-(2-thienylmethylene)methanamine." Journal of the Serbian Chemical Society 73, no. 4 (2008): 415–21. http://dx.doi.org/10.2298/jsc0804415s.

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Iron(II), cobalt(II), nickel (II), copper (II), zinc(II) and cadmium(II) complexes of the type ML2Cl2, where M is a metal and L is the Schiff base N- -(2-thienylmethylene)methanamine (TNAM) formed by the condensation of 2- -thiophenecarboxaldehyde and methylamine, were prepared and characterized by elemental analysis as well as magnetic and spectroscopic measurements. The elemental analyses suggest the stoichiometry to be 1:2 (metal:ligand). Magnetic susceptibility data coupled with electronic, ESR and M?ssbauer spectra suggest a distorted octahedral structure for the Fe(II), Co(II) and Ni(II)

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19

Akramullazi, Al, Mst Sabiha Sultana, Md Kudrat-E-Zahan, Md Ali Asraf, C. M. Zakaria, and Md Faruk Hossen. "Synthesis and Characterization of Novel Schiff Base Complexes of Cu (II), Cd (II), Ni (II), and Co (II) Ions with N'-(4-Nitrobenzylidene) Isonicotinohydrazide." International Research Journal of Pure and Applied Chemistry 25, no. 3 (2024): 55–67. http://dx.doi.org/10.9734/irjpac/2024/v25i3856.

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The Schiff base complexes of Cu (II), Cd (II), Ni (II), and Co (II) ions were synthesized utilizing Schiff base ligand. The Schiff base ligand was produced through the reaction of isoniazid with equimolar quantities of p-nitrobenzaldehyde yielding final product of N'-(4-nitrobenzylidene) isonicotinohydrazide (L). The ligand and its metal complexes were assessed by TLC, melting point determination, conductivity measurement, FTIR spectroscopy, magnetic moment analysis, and UV-Vis spectroscopy. The FTIR spectra revealed that the Schiff base ligand established coordination bonds with the metal ion

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20

Ibrahim, S. A., M. A. El-Gahami, R. M. Mahfouz, and K. A. Farghali. "Preparation, Spectral Properties and Biological Activity of Cu(II), Zn(II) and Cd(II) Chelates of 8-Hydroxyquinoline-5-sulfonamides." Zeitschrift für Naturforschung B 44, no. 12 (1989): 1488–92. http://dx.doi.org/10.1515/znb-1989-1203.

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The complexes of some quinolinol sulfonamides with Cu(II), Zn(II), and Cd(II) have been synthesized and formulated as [Cu(L)2(H2O)2] and [M(L)2]nH2O, M = Zn(II), or Cd(II), n = 0—3 and L = anion of the corresponding ligand. Their structures have been suggested by elemental analysis, electronic and IR spectroscopy, and conductivity measurements. It was found that the sulfonamide ligands are monobasic bidentate ON donors of the quinolinol group. Consequently, the Zn(II) and Cd(II) complexes are formulated as tetrahedral, whereas in Cu(II) complexes a distorted octahedral environment of the metal

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21

Prananto, Yuniar Ponco, Rafi Dwiasis Wibisono, Sasti Gona Fadhilah, Rachmat Tjahjanto, Darjito, and Firsta Luthfiani Salsabila. "Crystallization of Mn(II) and Cd(II) Complexes in A Water-Methanol System: Tartrate vs Nicotinamide Ligand Selectivity." Acta Chimica Asiana 5, no. 1 (2022): 166–72. http://dx.doi.org/10.29303/aca.v5i1.114.

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Ligand selectivity of tartrate vs nicotinamide in a water-methanol system has been observed in the crystallization of Mn(II) and Cd(II) complexes. These complexes were crystallized at room temperature by a layered solution technique using a water-methanol mixture solvent in a M(II):tartrate:nicotinamide (M = Mn, Cd) molar ratio of 1:1:2. Complexes of M(II)-nicotinamide and M(II)-tartrate were also prepared for data comparison. Analysis of the crystals by infrared spectroscopy, powder-X-ray diffraction and qualitative anion test showed that in a presence of both tartrate and nicotinamide, the M

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22

Soliman, Saied M., Hessa H. Al-Rasheed, Sarah A. AL-khamis, Matti Haukka, and Ayman El-Faham. "X-ray Structures and Hirshfeld Studies of Two Dinuclear Cd(II) Complexes with a s-Triazine/Pyrazolo Ligand and Pesudohalides as a Linker." Crystals 13, no. 8 (2023): 1198. http://dx.doi.org/10.3390/cryst13081198.

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The two dinuclear Cd(II) complexes [Cd(BPMST)(SCN)]2 (1) and [Cd(BPMST)(N3)Cl]2 (2) of a s-triazine/pyrazolo ligand (BPMST) were synthesized. The preparation of both complexes was performed in a water–ethanol solvent mixture and involved the mixing of the functional ligand BPMST with CdCl2 in the presence of thiocyanate or azide as linkers, respectively. The dinuclear formula of both complexes and the involvement of the pesudohalide as a linker between the Cd(II) centers were approved by single crystal X-ray structures. The Cd(II) was hexa-coordinated and the CdN5S (1) and CdN5Cl (2) coordinat

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23

Bipin, B. Mahapatra, and R. Mishra R. "Polymetallic complexes. Part-LXXV. Cobalt-, nickel-, copper-, zinc-, cadmium- and mercury(II) with bis-bidentate azodye ligands." Journal of Indian Chemical Society Vol. 78, Aug 2001 (2001): 395–96. https://doi.org/10.5281/zenodo.5878235.

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Post-Graduate Department of Chemistry, G. M. College, Sambalpur-768 004, India <em>Manuscript received 6 January 2000. revised 30 November 2000. accepted 6 March 2001</em> Twelve dinuclear metal complexes of Co<sup>II</sup>, Ni<sup>II</sup>, Cu<sup>II</sup>, Zn<sup>II</sup>, Cd<sup>II</sup> and Hg<sup>II</sup> with two bis-bidentate azodye ligands have been synthesized. Both the Co and Ni complexes are octahedral, the Cu complexes distorted octahedral and the Zn, Cd and Hg complexes tetrahedral with both the ligands. All the complexes are dimeric in nature.

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24

Fartisincha, P. Andrew, AO Woods Joseph, Akinterinwa Ayodele, Mukhtar H, and Ndahi JA. "Synthesis and Characterization of Some Metal (II) Complexes of Sulfadoxine." Pharmaceutical and Chemical Journal 3, no. 2 (2016): 99–104. https://doi.org/10.5281/zenodo.13748227.

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The studies and manipulations of the coordination chemistry of bioactive organic ligands has been a promising means of pharmaceutical innovations. In this study, metal (II) complexes of sulfadoxine (SDX) were synthesized and characterized by physicochemical, IR and electronic spectroscopies. The complexes were formulated as [M(SDX)<sub>2</sub>(H<sub>2</sub>O)<sub>2</sub>] (M = Cd(II)/Cu(II)/Zn(II)), [M(SDX)<sub>2</sub>Cl<sub>2</sub>] (M = Ni(II)/Co(II)/Mn(II)). They were insoluble in water, which is an indication of covalent and non-electrolytic character. Their spectroscopic data in

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25

De Castro, Gustavo Rocha, Cilene do Carmo Federici Padilha, Júlio Cesar Rocha, José Pedro Serra Valente, Ariovaldo de Oliveira Florentino, and Pedro Magalhães Padilha. "Lability of Cd, Cr, Cu, Mn and Pb complexed by aquatic humic substances." Ecletica Quimica 30, no. 2 (2005): 45–51. http://dx.doi.org/10.26850/1678-4618eqj.v30.2.2005.p45-51.

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The lability of Cd(II), Cr(III), Cu(II), Mn(II) and Pb(II) complexed by humic substances (HSs)was investigated by means of ion exchange on cellulose modified with p-aminobenzoic groups (Cell-PAB),using a batch procedure. The HSs were extracted from water samples using adsorption in a column packedwith XAD 8 resin. The metal-HS complexes were prepared by adding solutions containing all theaforementioned metal ions ( Cd(II), Cr(III), Cu(II), Mn(II) and Pb(II) ). The results indicated that thedistribution coefficients (Kd) of Cell-PAB decreased with the presence of HSs, and that the lability of m

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26

Al-Karkhi, Isam Hussain T. "Synthesis, Characterization, Bioactivity and Cytotoxicity of NS Schiff base and its Ni (II), Cd(II) and Zn(II) metal complexes." University of Thi-Qar Journal of Science 4, no. 2 (2014): 52–58. http://dx.doi.org/10.32792/utq/utjsci/v4i2.594.

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A new nitrogen sulphur Schiff base has been prepared from the condensation 1-(pyridin-4-yl)ethanone with 2-methylbenzyl hydrazinecarbodithioate. The ligand was reacted with Ni(II), Cd(II) and Zn(II) metal salts to form newcoordinated complexes. The new 2-methylbenzyl (2Z)-2-[1-(pyridin-4-yl)ethylidene]hydrazinecarbodithioate ligand and the new metal complexes were characterized via various physico-chemical and spectroscopic techniques and based on the data analysis the metal complexes are expected to be octahedral in geometry. The Schiff bases and their complexes were screened for antimicrobia

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27

Bipin, B. Mohapatra, and K. Saraf S. "Polymetallic complexes. Part-LXXXIII. Dimeric complexes of CoII, NiII, CuII, ZnII, CdII and HgII with tetradentate and hexadentate azodye ligands." Journal of Indian Chemical Society Vol. 81, Nov 2004 (2004): 954–56. https://doi.org/10.5281/zenodo.5833419.

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P. G. Department of Chemistry, G. M. (Autonomous) College, Sambalpur-768 004, India <em>Manuscript received 20 November 2002. revised 7 June 2004, accepted 11 June 2004</em> Dimeric complexes of Co<sup>II</sup> , Ni<sup>II</sup> <strong>, </strong>Cu<sup>II</sup>, Zn<sup>II</sup> , Cd<sup>II</sup> and Hg<sup>II</sup> with a tetradenate ligand bis-[3-3'-di(o·hydroxyphenyazo)]-4,4'- dihydroxydinaphthalene having NO-NO donor set and a hexadentate ligand bis-[3-3' -di(phenylazo)]-4,4'-dihydroxydinaphthalene, having ONO- ONO donor set have been prepared. The complexes ha

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Siddappa, K., Tukaram Reddy, M. Mallikarjun, and C. V. Reddy. "Synthesis, Characterization and Antimicrobial Studies of 3-[(2-Hydroxy-quinolin-3-ylmethylene)-amino]-2-phenyl-3H-quinazolin-4-one and its Metal(II) Complexes." E-Journal of Chemistry 5, no. 1 (2008): 155–62. http://dx.doi.org/10.1155/2008/659386.

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A new complexes of the type ML2 and M′L [where M=Cu(II), Co(II), and Ni(II) and M′= Zn(II), Cd(II) and Hg(II)]. L = 3-[(2-hydroxy-quinolin-3-ylmethylene)-amino]-2-phenyl-3H-quinazolin-4-one, (HQMAPQ) Schiff base have been synthesized and characterized by elemental analysis, magnetic susceptibility, molar conductance, IR,1H NMR, UV-Visible and ESR data. The studies indicate the HQMAPQ acts as doubly monodentate bridge for metal(II) ions and form mononuclear complexes. The complexes Ni(II), Co(II) and Cu(II) complexes are found to be octahedral, where as Zn(II), Cd(II) and Hg(II) complexes are f

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29

Modher Y. Mohammed, Ahmad Najem Abd, and Anfal S. Ali. "Synthesis and Characterization Some of Metals (ƖƖ) Complexes' with Mixed Ligands of saccharinate and Isatin Schiff Base." Tikrit Journal of Pure Science 22, no. 6 (2023): 56–64. http://dx.doi.org/10.25130/tjps.v22i6.791.

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This research paper includes synthesis and characterization of some complexes of Zn(II),Hg(II), Cd(II), Cu(II), Co(II), Ni(II) with mix ligands of saccharinate and Schiff base derived from Isatin. All the synthesized complexes have been characterized by elemental analysis, molar conductance, uv-visible, magnetic susceptibility, atomic absorption , infrared and 1H NMR spectroscopy ,Metal to ligand [M:L] ratio was obtained for all complexes in ethanol. The concluded chemical formulas of the complexes were [M(sac)2(L)2] ,where {M=(Zn(II) , Hg(II) ,Cd(II)} tetrahedral geometry and for the complexe

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30

Altowyan, Mezna Saleh, Eman M. Fathalla, Dalia Hawas, et al. "Synthesis, X-ray, Hirshfeld, and AIM Studies on Zn(II) and Cd(II) Complexes with Pyridine Ligands." Crystals 12, no. 5 (2022): 590. http://dx.doi.org/10.3390/cryst12050590.

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The synthesis and crystal structures of three heteroleptic complexes of Zn(II) and Cd(II) with pyridine ligands (ethyl nicotinate (EtNic), N,N-diethylnicotinamide (DiEtNA), and 2-amino-5-picoline (2Ampic) are presented. The complex [Zn(EtNic)2Cl2] (1) showed a distorted tetrahedral coordination geometry with two EtNic ligand units and two chloride ions as monodentate ligands. Complexes [Zn(DiEtNA)(H2O)4(SO4)]·H2O (2) and [Cd(OAc)2(2Ampic)2] (3) had hexa-coordinated Zn(II) and Cd(II) centers. In the former, the Zn(II) was coordinated with three different monodentate ligands, which were DiEtNA,

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31

G., K. Mishra, K. Srivastava B., Dey I., and Krishna V. "Mixed metal complex formation of diethylenetrimninepentaacetic acid involving cadmium(II) and alkaline earth metal ions." Journal of Indian Chemical Society Vol. 82, May 2005 (2005): 421–23. https://doi.org/10.5281/zenodo.5830038.

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Department of Chemistry, University of Allahahau, Allahabad-211 002, India <em>Manuscript received 13 July 2004, accepted 2 February 2005</em> Equilibrium studies on binary complexes of diethylenetriaminepentaacetic acid with Be<sup>II</sup> , Mg<sup>II</sup> , Ca<sup>ll</sup>, Sr<sup>II</sup> , Ba<sup>ll</sup>, Cd<sup>II</sup> metal ions and its heterobinuclear ternary complexes involving Cd<sup>II</sup> -Be<sup>ll</sup>, Cd<sup>II</sup>-Mg<sup>II</sup> , Cd<sup>II</sup> -Ca<sup>ll</sup>, Cd<sup>ll</sup>-Sr<sup>II</sup> and Cd<sup>ll</sup>-Ba<sup>II</sup> have been carried out potentiome

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32

Ghose, Ranjana, and Rajesh Kumar. "Powder diffraction study of some mixed ligand complexes of Mn(II), Ni(II), Cu(II), Zn(II), and Cd(II)." Powder Diffraction 26, no. 1 (2011): 82–87. http://dx.doi.org/10.1154/1.3543995.

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The mixed ligand complexes of manganese(II), nickel(II), copper(II), zinc(II), and cadmium(II) involving aspartic acid and benzoic acid have been synthesized. The complexes were studied by various spectroscopic techniques such as infrared, electronic, X-ray diffraction, and magnetic measurements. The complexes were found to have octahedral geometry. The X-ray powder diffraction results show that the crystal systems of Mn(II)-Asp-Ben complex are hexagonal, and Ni(II)-Asp-Ben, Cu(II)-Asp-Ben, Zn(II)-Asp-Ben, and Cd(II)-Asp-Ben complexes are found to be triclinic. The value of unit-cell parameter

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33

Palenik, Gus J. "A critical evaluation of homo- and hetero-leptic cadmium complexes using bond valence sums." Canadian Journal of Chemistry 84, no. 2 (2006): 99–104. http://dx.doi.org/10.1139/v05-227.

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The effect of the donor atoms in Cd complexes on the determination of R0 values for the bond valence sum (BVS) is reported. A total of 1321 CdXmYn fragments with X and Y = O, N, S, Cl, Br, and I were used to calculate the R0 values for CdX bonds from both homoleptic and heteroleptic fragments. The R0 values determined from mixed CdXmYn fragments agree with those determined from the homoleptic species, with no significant differences in the values as a function of either electronegativity or hardsoft character of the atoms. The new R0 values derived from the homoleptic series recommended for

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34

Siddappa, K., K. Mallikarjun, Tukaram Reddy, M. Mallikarjun, C. V. Reddy, and Mahesh Tambe. "Synthesis, Characterization and Antimicrobial Studies of N1-[(1E)-1-(2-Hydroxyphenyl) ethylidene]-2-oxo-2H-chromene-3-carbohydrazide and its Metal Complexes." E-Journal of Chemistry 6, no. 3 (2009): 615–24. http://dx.doi.org/10.1155/2009/416836.

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A new complexes of the type ML, MʹL and M″L [where M=Cu(II), Co(II), Ni(II) and Mn(II), Mʹ=Fe(III) and M″=Zn(II), Cd(II) and Hg(II) and L=N1-[(1E)-1-(2-hydroxyphenyl)ethylidene]-2-oxo-2H-chromene- 3-carbohydrazide (HL)] Schiff base have been synthesized and characterized by elemental analysis, magnetic susceptibility, molar conductance, IR,1H NMR, UV-Visible and ESR data. The studies indicate the HL acts as doubly monodentate bridge for metal ions and form mononuclear complexes. The complexes Ni(II), Co(II), Cu(II) Mn(II) and Fe(III) complexes are found to be octahedral, where as Zn(II), Cd(II

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35

Neumann, Tristan, Inke Jess, Cesar dos Santos Cunha, Huayna Terraschke, and Christian Näther. "Cd(II) and Zn(II) thiocyanate coordination compounds with 3-ethylpyridine: synthesis, crystal structures and properties." Zeitschrift für Naturforschung B 73, no. 2 (2018): 115–23. http://dx.doi.org/10.1515/znb-2017-0186.

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AbstractReaction of Cd(NCS)2 and Zn(NCS)2 with 3-ethylpyridine leads to the formation of compounds of compositions M(NCS)2(3-ethylpyridine)4 (M=Cd, 1-Cd; Zn, 1-Zn) and M(NCS)2(3-ethylpyridine)2 (M=Cd, 2-Cd; Zn, 2-Zn). 1-Cd and 1-Zn are isotypic and form discrete complexes in which the metal cations are octahedrally coordinated by two trans-coordinating N-bonded thiocyanate anions and four 3-ethylpyridine co-ligands. In 2-Cd the cations are also octahedrally coordinated but linked into chains by pairs of μ-1,3-bridging anionic ligands. 2-Zn is built up of discrete complexes, in which the Zn cat

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36

Castro, G. R., C. C. F. Padilha, J. C. Rocha, J. P. S. Valente, A. de O. Florentino, and P. M. Padilha. "Lability of Cd, Cr, Cu, Mn and Pb complexed by aquatic humic substances." Eclética Química 30, no. 2 (2005): 45–51. http://dx.doi.org/10.1590/s0100-46702005000200006.

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The lability of Cd(II), Cr(III), Cu(II), Mn(II) and Pb(II) complexed by humic substances (HSs) was investigated by means of ion exchange on cellulose modified with p-aminobenzoic groups (Cell-PAB), using a batch procedure. The HSs were extracted from water samples using adsorption in a column packed with XAD 8 resin. The metal-HS complexes were prepared by adding solutions containing all the aforementioned metal ions ( Cd(II), Cr(III), Cu(II), Mn(II) and Pb(II) ). The results indicated that the distribution coefficients (Kd) of Cell-PAB decreased with the presence of HSs, and that the lability

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37

Elsherif, Khaled Muftah, Ahmed Zubi, Adel Najar, and Hamida Bin Ghashir. "Determination of Stoichiometry and Stability Constant of Cd(II) and Zn(II) Complexes with Pyrazole Based Ligands in Mixed Solvent (EtOH-H2O)." Journal of Pure & Applied Sciences 21, no. 2 (2022): 128–34. http://dx.doi.org/10.51984/jopas.v21i2.2080.

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A Spectrophotometric investigation was applied on the complexation of 1,3-bis (3-(2-pyridyl) pyrazol-1-ylmethyl) benzene (1,3-PPB) and 1,4-bis (3-(2-pyridyl) pyrazol-1-ylmethyl) benzene (1,4-PPB) with Zn(II) and Cd(II) ions in a mixed (1:1) solvent of water and ethanol. The mole ratio methodology was used to calculate the stoichiometry, molar absorptivity, and stability constant values. Some experimental conditions have been investigated, including pH, ionic strength, solvent composition, and time. The results revealed the production of 1:1 complexes. In terms of ligands, 1,4-PPB was more stab

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38

Journal, Baghdad Science. "Preparation and Spectral Study of New Complexes of Some Metal Ions with 3,5-Dimethyl-1H-Pyrazol-1-yl Phenyl Methanone." Baghdad Science Journal 8, no. 4 (2011): 1005–11. http://dx.doi.org/10.21123/bsj.8.4.1005-1011.

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Many complexes of 3,5-dimethyl-1H-pyrazol-1-yl phenyl methanone with Cr(III), Co(II), Ni(II), Cu(II) and Cd(II) were synthesized and characterized by FT-IR, UV/visible spectra, elemental analysis, room temperature magnetic susceptibility and molar conductivity. Cd(II) complex was expected to have tetrahedral structure while all the other complexes were expected to have an octahedral structure.

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39

Al-Sabti, Matheel D., Ahmed A. H. Al-Amiery, Amel Ali Hussien Al-Obiady, and Yasmien K. Al-Majedy. "Preparation and Spectral Study of New Complexes of Some Metal Ions with 3,5-Dimethyl-1H-Pyrazol-1-yl Phenyl Methanone." Baghdad Science Journal 8, no. 4 (2011): 1005–11. http://dx.doi.org/10.21123/bsj.2011.8.4.1005-1011.

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Many complexes of 3,5-dimethyl-1H-pyrazol-1-yl phenyl methanone with Cr(III), Co(II), Ni(II), Cu(II) and Cd(II) were synthesized and characterized by FT-IR, UV/visible spectra, elemental analysis, room temperature magnetic susceptibility and molar conductivity. Cd(II) complex was expected to have tetrahedral structure while all the other complexes were expected to have an octahedral structure.

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40

Brahman, Dhiraj, and Biswajit Sinha. "Synthesis, characterization and antibacterial activities of Zn(II) and Cd(II) complexes of a quinazoline-4(3H)-one Schiff base." Journal of the Serbian Chemical Society 79, no. 12 (2014): 1505–13. http://dx.doi.org/10.2298/jsc140130093b.

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Zn(II) and Cd(II) complexes of a Schiff base derived from quinazoline-4(3H) one and 2-formylphenoxy acetic acid were prepared and characterized by elemental and different spectroscopic (IR, UV-Visible and NMR) analyses. The elemental analysis indicated the formation of the complexes: [ML(AcO)].H2O, where M stands for Zn(II) and Cd(II) and L stands for quinazoline-4(3H)-one Schiff base. The molar conductivities of the prepared complexes revealed their non-electrolytic nature. The complexes were also investigated for their antimicrobial activities by using turbidometric assay method.

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41

Gutowska, Natalia, Beata Pasternak, Piotr Seliger, and Grzegorz Andrijewski. "Studies of the complexation behavior of tetramorpholinylo-PNP-lariat ether with Ag(i), Ca(ii), Cd(ii), Cu(ii) and Pb(ii) using Electrospray Ionization Mass Spectrometry." New Journal of Chemistry 39, no. 3 (2015): 1761–72. http://dx.doi.org/10.1039/c4nj01904k.

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The identification of complexes containing PNP-lariat ether with Ag(i), Ca(ii), Cu(ii), Cd(ii) and Pb(ii) by ESI-MS technique is presented. The tandem mass spectra of these complexes were done in order to evaluate the stability of the different types of the complexes formed.

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42

Sharif, S. A. I., A. N. El-Tajoury, and A. A. Elamari. "Preparation and Antibacterial Activity of Mixed Ligand Complexes of Co(II), Ni(II), Cu(II) and Cd(II) Derived from 1-Phenylazo-2-naphthol and Salicylaldehyde." E-Journal of Chemistry 8, no. 1 (2011): 43–48. http://dx.doi.org/10.1155/2011/519273.

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The mixed ligand complexes of Co(II), Ni(II), Cu(II) and Cd(II) have been synthesized by using 1-phenylazo-2-naphthol as primary ligand and salicylaldehyde as secondary ligand. All the prepared complexes were identified and confirmed by elemental analyses (C, H and N), molar conductance measurements, infrared, electronic absorption and electron paramagnetic resonance. The elemental analysis data suggest that the stoichiometry of the complexes to be 1:1:1[M: L1: L2] ratio. The molar conductance measurements of the complexes indicate their non-electrolytic nature. The infrared spectral data show

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43

Pricop, Laurentiu, Ioana Cristina Marincas, Anamaria Hanganu, Mihaela Ganciarov, Augustin M. Mădălan, and Maria Olimpia Miclăuș. "Complexes of Cd(II) with Nicotinamide, Nitrate, and Oxalate as Mixed Ligands: Synthesis, Characterization, and Biological Activity." Crystals 15, no. 2 (2025): 140. https://doi.org/10.3390/cryst15020140.

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Three complexes of Cd(II), [Cd(NA)₂(NO₃)₂(H₂O)₂] (1), [Cd(NA)₂(NO₃)₂(H₂O)₂]·2NA (2), and [Cd(ox)(NA)(H₂O)]·H₂O (3) (NA = nicotinamide, ox = oxalate) were synthesized and characterized. Complexes (1) and (2) are mononuclear, while complex (3) is a bidimensional polymeric coordination compound, with oxalate anions bridging metal ions in two different ways: µ₂ bis-bidentate chelating manner and µ₄ bis-bidentate bis-monodentate manner. The stereochemistry of Cd(II) in compounds (1) and (3) is a distorted pentagonal bipyramid, while in compound (2) it is a regular octahedron. Complexes (1) and (2)

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44

Akitsu, Takashiro, Jun Yamaguchi, Naoki Uchida, and Yoshikazu Aritake. "The Studies of Conditions for Inducing Chirality to Cu(II) Complexes by Chiral Zn(II) and Ni(II) Complexes with Schiff Base." Research Letters in Materials Science 2009 (2009): 1–4. http://dx.doi.org/10.1155/2009/484172.

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Recently, we have discovered that some chiral Schiff-base nickel(II) complexes induced d-d bands of CD spectra of some achiral copper(II) complexes. However, the novel phenomenon could be observed only a few systems of hybrid materials or limited conditions so far. In order to test conditions about copper(II) ions, we investigated model systems (1) metal-dendrimer (Cu-PAMAM; G4-NH2terminal) containing relatively small amount of copper(II) ions (4.5 equivalent to PAMAM) for modeling separated systems of achiral copper(II) complex from chiral Schiff-base nickel(II) or zinc(II) complexes, Bis(N-R

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45

Tăbăcaru, Aurel, Rais Ahmad Khan, Giulio Lupidi, and Claudio Pettinari. "Synthesis, Characterization and Assessment of the Antioxidant Activity of Cu(II), Zn(II) and Cd(II) Complexes Derived from Scorpionate Ligands." Molecules 25, no. 22 (2020): 5298. http://dx.doi.org/10.3390/molecules25225298.

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Seeking to enrich the yet less explored field of scorpionate complexes bearing antioxidant properties, we, here, report on the synthesis, characterization and assessment of the antioxidant activity of new complexes derived from three scorpionate ligands. The interaction between the scorpionate ligands thallium(I) hydrotris(5-methyl-indazolyl)borate (TlTp4Bo,5Me), thallium(I) hydrotris(4,5-dihydro-2H-benzo[g]indazolyl)borate (TlTpa) and potassium hydrotris(3-tert-butyl- pyrazolyl)borate (KTptBu), and metal(II) chlorides, in dichloromethane at room temperature, produced a new family of complexes

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46

SRILALITHA, Vinnakota, Aluru Raghavendra Guru PRASAD, Kakarla Raman KUMAR, Vahi SESHAGIRI, and Laxmana Rao Krishna Rao RAVINDRANATH. "SYNTHESIS AND CHARACTERIZATION OF Mn(II), Ni(II), Fe(III), Co(III), Cu(II), Zn(II) AND Cd(II) COMPLEXES OF o-HYDROXYBENZOIC ACID HYDRAZIDE." SOUTHERN BRAZILIAN JOURNAL OF CHEMISTRY 19, no. 19 (2011): 35–58. http://dx.doi.org/10.48141/sbjchem.v19.n19.2011.38_2011.pdf.

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A series of complexes of o-Hydroxybenzoic acid hydrazide (HBH) with Mn(II), Ni(II), Fe(III), Co(III), Cu(II), Zn(II), and Cd(II) was synthesized The stoichiometry and structures for the complexes have been established by elemental analysis, electrical conductivity measurements, magnetic moment measurements, and spectral (UV-Vis, IR, and NMR) studies.

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47

Andjelkovic, Katarina, Milica R. Milenkovic, Andrej Pevec, et al. "Synthesis, characterization and crystal structures of two pentagonal-bipyramidal Fe(III) complexes with dihydrazone of 2,6acetylpyridine and Girard's T reagent. Anticancer properties of various metal complexes of the same ligand." J Inorg Chem 174 (November 27, 2017): 137–49. https://doi.org/10.1016/j.jinorgbio.2017.06.011.

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In this work synthesis, characterization and crystal structures of two isothiocyanato Fe(III) complexes with 2,2'-[2,6-pyridinediylbis(ethylidyne-1-hydrazinyl-2-ylidene)]bis[N,N,N-trimethyl-2-oxoethanaminium] dichloride (H<sub>2</sub>LCl<sub>2</sub>) ligand, with composition [FeL(NCS)<sub>2</sub>]SCN·2H<sub>2</sub>O and [FeL(NCS)<sub>2</sub>]<sub>2</sub>[Fe(H<sub>2</sub>O)(NCS)<sub>5</sub>]·4H<sub>2</sub>O, has been reported. Both iron(III) complexes possess the same pentagonal-bipyramidal complex cation, while the nature of their anions depends on mole ratio of NH<sub>4</sub

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48

Purushottam, B. Chakrawarti, Chakrawarti Mukta та Maini Pramila. "Equilibrium studies of ternary chelates of some divalent metal ions with cephalosporins and α-alanine". Journal of Indian Chemical Society Vol. 77, May 2000 (2000): 217–19. https://doi.org/10.5281/zenodo.5867092.

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Chemical Laboratories, M. V. M., Bhopal-462 002, India <em>Manuscript received 26 October 1999, revised 12 January 2000, accepted 12 February 2000</em> The formation of bioligand chelates of some divalent metal ions Mn, Co, Ni, Cu, Zn, Cd and Mg with cephaloridine as primary ligand (L) and α-alanine as the secondary ligand (A) has been carried out pH-metrically at 25 and 35° and at constant ionic strength, µ = 0.1 <em>M</em> (NaCIO<sub>4</sub>). The stability comtanls follow the order : Cu<sup>II</sup> > Zn<sup>II</sup> > Co<sup>II</sup> > Ni<sup>II</sup> > Cd<

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49

Rahaman, Fazlur, Priti Gupta, Prabhat Gautam, et al. "Synthesis, Characterization, Fluorescence and Antimicrobial studies of Cu(II), Co(II), Ni(II), Zn(II) and Cd(II) complexes derived from Schiff’s base (E)-2-(5-chloro-2-hydroxybenzylidene)-N-(4-phenylthiazol-2-yl)hydrazinecarboxamide." Journal of University of Shanghai for Science and Technology 23, no. 09 (2021): 81–111. http://dx.doi.org/10.51201/jusst/21/09518.

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A series of Cu(II), Co(II), Ni(II), Zn(II) and Cd(II) complexes of (E)-2-(5-chloro-2-hydroxybenzylidene)-N-(4-phenylthiazol-2-yl)hydrazinecarboxamide (HL) with ONO donor ligand was synthesized. The ligand (HL) was prepared by the condensation of N-(4-phenylthiazol-2-yl)hydrazinecarboxamide with 5-chloro-2-hydroxybenzaldehyde. The HL and its metal complexes have been characterized using elemental analysis and various spectral techniques such as, FTIR, 1H and 13C NMR, Mass, UV–Visible, ESR, thermal analysis (TGA), magnetic moment, conductivity and powder-XRD. The Powder XRD pattern indicates hex

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50

Quyoom, Shaesta, and Badr-Ud-Din Khan. "Potentiometric and UV Spectral Studies of Binary and Ternary Complexes of Some Metal Ions withN-Acetylcysteine and Amino Acids." E-Journal of Chemistry 6, s1 (2009): S117—S122. http://dx.doi.org/10.1155/2009/706232.

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The formation constants of the binary 1:1 and 1:2 complexes of Cu(II), Zn(II), Cd(II), Hg(II), and Pb(II) withN-acetylcysteine (NAC) and 1:1:1 ternary complexes of the said metal ions with NAC as a primary ligand and some biologically important amino acids as secondary ligands have been determined potentiometrically in aqueous medium. Acid dissociation constants of the ligands used and the formation constants of the binary and the ternary complexes were determined at 25 °C and in ionic strength I=0.1 mol dm-3(KNO3).The formation constants of the 1:1 complexes were found to be higher than 1:2 c

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