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Journal articles on the topic 'N HCl'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Bacelo, Daniel E., and Silvina E. Fioressi. "Theoretical study of microscopic solvation of HCl in ammonia: HCl(NH3)n, n=1–4." Journal of Chemical Physics 119, no. 22 (2003): 11695–703. http://dx.doi.org/10.1063/1.1624592.

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2

Kislina, I. S., S. G. Sysoeva, and O. N. Temkin. "The acidity scale of HCl solutions in N,N-dimethylformamide." Russian Chemical Bulletin 43, no. 6 (1994): 960–63. http://dx.doi.org/10.1007/bf01558057.

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3

Celis Orozco, Alfredo, Norberto Casillas, Walter Ramírez Meda, Ofelia Guitrón-Robles, and Maximimiliano Bárcena-Soto. "Electrochemical Removal of Chloride from Polychlorinated Biphenyls in an Oil/n-Butanol/HCl and an n-Propanol/HCl System." ECS Transactions 29, no. 1 (2019): 241–50. http://dx.doi.org/10.1149/1.3532321.

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4

Rashid, Mohd, Umesh S. Waware, Afidah A. Rahim, and A. M. S. Hamouda. "N-cetyl-N,N,N trimethyl ammonium bromide (CTAB)-stabilized polyaniline: a corrosion inhibitor for mild steel." Anti-Corrosion Methods and Materials 65, no. 2 (2018): 146–51. http://dx.doi.org/10.1108/acmm-10-2015-1589.

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Purpose The purpose of this study is to compare the inhibitive effect of polyaniline (PAni) and N-cetyl-N,N,N trimethyl ammonium bromide (CTAB)-stabilized PAni in a hydrochloric acid (HCl) medium. Design/methodology/approach PAni has been deposited potentiodynamically on mild steel in the presence of CTAB as a stabilizing agent to achieve high corrosion inhibition performance by the polymer deposition. The corrosion inhibition studies of CTAB-stabilized PAni inhibitor in 0.1 M HCl acidic solution was carried out by electrochemical methods, namely, open-circuit potential, potentiodynamic polari

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5

Valdés, H., and J. A. Sordo. "Trimethylene Sulfide···(HCl)n(n= 1, 2) Complexes: A Theoretical Study." Journal of Physical Chemistry A 107, no. 6 (2003): 899–907. http://dx.doi.org/10.1021/jp022110t.

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6

Chaban, Galina M., R. Benny Gerber, and Kenneth C. Janda. "Transition from Hydrogen Bonding to Ionization in (HCl)n(NH3)nand (HCl)n(H2O)nClusters: Consequences for Anharmonic Vibrational Spectroscopy." Journal of Physical Chemistry A 105, no. 36 (2001): 8323–32. http://dx.doi.org/10.1021/jp011567k.

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7

Zhao, Qun, Guangrong Meng, Guangchen Li, et al. "IPr# – highly hindered, broadly applicable N-heterocyclic carbenes." Chemical Science 12, no. 31 (2021): 10583–89. http://dx.doi.org/10.1039/d1sc02619d.

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We report novel, sterically-bulky, easily-accessible NHC ligands based on the hash peralkylation concept. The new ligands have been commercialized in collaboration with Millipore Sigma: IPr#HCl, 915653; Np#HCl; 915912; BIAN-IPr#HCl, 916420.

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8

Sefryantonius Lase and Suprianto Suprianto. "Validation of the UV Spectrophotometric Method for Determining the Content of Ranitidine HCl Tablets in HCl." Jurnal Indah Sains dan Klinis 5, no. 1 (2024): 1–7. http://dx.doi.org/10.52622/jisk.v5i1.01.

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Introduction: Ranitidine HCl tablets are widely available in the market. Ensuring the proper levels of active ingredients is crucial for ensuring the quality of medications. Objective: To find a reliable method for measuring the levels of Ranitidine HCl tablets in acidic solvents that meet validation standards, and to explore valid methods using ultraviolet spectrophotometry in acidic solvents. Methods: UV spectrophotometry with a UV detector at maximum wavelength was used. Two solvents were employed: 0.10 N HCl and 0.15 N HCl. Method validation included tests for linearity, accuracy, repeatab

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9

Larsen, Valdemar. "The Teratogenic Effects of Thalidomide, Imipramine HCl and Imipramine-N-Oxide HCl on White Danish Rabbits." Acta Pharmacologica et Toxicologica 20, no. 3 (2009): 186–200. http://dx.doi.org/10.1111/j.1600-0773.1963.tb01736.x.

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10

Yukhnevich, G. V., E. G. Tarakanova, O. J. Tsoy, N. B. Librovich, and I. S. Kislina. "Structure of (DMF)m(HCl)n complexes (m= 2, n = 3–4)." Journal of Structural Chemistry 46, no. 1 (2005): 16–22. http://dx.doi.org/10.1007/s10947-006-0003-7.

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11

Babu, B. Ramesh, A. K. Parande, and P. L. Ramasamy. "Effect of N-cetyl-N,N,N-trimethylammonium bromide and orthophenylenediamine on the corrosion inhibition of carbon steel in 1 mol/L HCl." Canadian Journal of Chemistry 84, no. 12 (2006): 1658–66. http://dx.doi.org/10.1139/v06-175.

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Inhibition studies of N-cetyl-N,N,N-trimethylammonium bromide (CTAB) and orthophenylenediamine (OPD) have shown that they were effective inhibitors of corrosion of carbon steel in HCl. The inhibitive behaviour of OPD with CTAB on the corrosion of carbon steel in 1 mol/L HCl was studied by gravimetric weight loss, potentiodynamic polarization, and electrochemical impedance measurements. Inhibition efficiency (IE) was found to increase with the increase in concentration of CTAB and it was also found that CTAB was effective only when used above a concentration of 100 mmol/L. Furthermore, the addi

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12

Wang, Jianqiang, Fangmin Shi, Dongyan Dai, Liping Xiong, and Yongpo Yang. "N-bromosuccinimide/HCl mediated reduction of sulfoxides to sulfides." Phosphorus, Sulfur, and Silicon and the Related Elements 196, no. 5 (2021): 439–43. http://dx.doi.org/10.1080/10426507.2020.1871348.

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13

Zhu, Sha Sha, Qin Huan Yang, Bin Xie, et al. "N,N-Diethylammonium O,O’-Di(3-methylphenyl)dithiophosphate as Corrosion Inhibitor for Q235 Steel in HCL Solution." Advanced Materials Research 781-784 (September 2013): 291–94. http://dx.doi.org/10.4028/www.scientific.net/amr.781-784.291.

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The corrosion inhibition of N,N-diethylammonium O,O-di (3-methylphenyl) dithio-phosphate (NDOMD) for Q235 steel in HCl solution was studied by electrochemical measurements and weight loss measurements. And the effects of temperature, HCl concentration and immersion time were also studied. Polarization curves indicate the NDOMD is a mixed-type inhibitor which anodic plays a leading role. The studies of weight loss measurement show that the inhibition efficiency was up to 94.46% at the NDOMD concentration of 100 mg·L-1 in 1.0 mol.L-1 HCl solution at 30°C. The adsorption of NDOMD on Q235 steel su

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14

Dindar, Çiğdem K., Cem Erkmen, Bengi Uslu, and Nilgün G. Göğer. "The Development of Spectrophotometric and Validated Stability- Indicating RP-HPLC Methods for Simultaneous Determination of Ephedrine HCL, Naphazoline HCL, Antazoline HCL, and Chlorobutanol in Pharmaceutical Pomade Form." Combinatorial Chemistry & High Throughput Screening 23, no. 10 (2020): 1090–99. http://dx.doi.org/10.2174/1386207323666200720101835.

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Background: Allergic rhinitis, acute nasal congestion and sinusitis are one of the most common health problems and have a major effect on the quality of life. Several medications are used to improve the symptoms of such diseases in humans. Pharmaceutical pomade form containing Ephedrine (EPD) HCl, Naphazoline (NPZ) HCl, Antazoline (ANT) HCl, and Chlorobutanol (CLO) is one of them. Objective: For these reasons, this study includes the development of spectrophotometric and chromatographic methods for the determination of EPD HCl, NPZ HCl, ANT HCl, and CLO active agents in the pharmaceutical poma

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15

Freytag, Matthias, Volker Plack, Peter G. Jones, and Reinhard Schmutzler. "Tris-N-(N′,N′,N″,N″-tetramethylguanidyl)phosphine Oxide – Synthesis and Reaction with Acids." Zeitschrift für Naturforschung B 59, no. 5 (2004): 499–502. http://dx.doi.org/10.1515/znb-2004-0502.

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The phosphoryl compound (O:)P(TMG)3 (TMG = N’,N’,N”,N”-tetramethylguanidyl) (6) was synthesized during attempts to obtain the potentially very basic (but still unknown) compound P(TMG)3 (1). Its reaction with HCl resulted in the triply protonated species 7. The crystal structure of compound 7 was determined; it crystallizes as a bis-dichloromethane solvate. Each protonated nitrogen forms a hydrogen bond to one chloride. A series of protonation experiments was conducted in order to test the behaviour of 6 towards weak acids.

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16

Ifeanyieze, Kenechukwu Johncross, Obinna Chibueze Okpareke, Uchechukwu Susan Oruma, Nkechinyere Nwanneka Ukwueze, Ilknur Babahan Bircan, and Jonnie Niyi Asegbeloyin. "N-Morpholine-N'-benzoylthiourea as an extractant for Pb(II) and Cu(II) in aqueous media: Crystal structure of bis(N-morpholine-N′-4-benzoylthioureato)lead(II)." European Journal of Chemistry 15, no. 3 (2024): 266–73. http://dx.doi.org/10.5155/eurjchem.15.3.266-273.2550.

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The reaction of N-morpholine-N′-benzoylthiourea (L: HBMOR) and lead(II) acetate gave a neutral, stable metal(II) complex of type ML2. The Pb(II) complex crystallized in a monoclinic crystal system with P21/n space group. The complex was further characterized by spectroscopic and microanalytic analyses. The solvent extraction behaviors of Pb(II) and Cu(II) ions were investigated in aqueous media containing HBMOR/CHCl3 as extracting reagents. The solvent extraction of Pb(II) and Cu(II) ions from solutions of varying pH, varying concentrations of mineral acids (HCl, HNO3 and H2SO4), varying conce

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17

Balcı, F. Mine, Nevin Uras-Aytemiz, Pedro C. Gómez, and Rafael Escribano. "Proton transfer and autoionization in HNO3·HCl·(H2O)n particles." Physical Chemistry Chemical Physics 13, no. 40 (2011): 18145. http://dx.doi.org/10.1039/c1cp22322d.

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18

Glenewinkel-Meyer, Th, та Ch Ottinger. "On the chemiluminescent reaction Cl+ + H2→HCl+(A2Σ+) + H". Chemical Physics Letters 186, № 6 (1991): 561–64. http://dx.doi.org/10.1016/0009-2614(91)90467-n.

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19

Haque, Jiyaul, V. Srivastava, Chandrabhan Verma, H. Lgaz, R. Salghi, and M. A. Quraishi. "N-Methyl-N,N,N-trioctylammonium chloride as a novel and green corrosion inhibitor for mild steel in an acid chloride medium: electrochemical, DFT and MD studies." New Journal of Chemistry 41, no. 22 (2017): 13647–62. http://dx.doi.org/10.1039/c7nj02254a.

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20

Sugiura, Keita, Masanori Tachikawa, and Taro Udagawa. "Nuclear quantum effect and H/D isotope effect on Cl· + (H2O)n → HCl + OH·(H2O)n−1 (n = 1–3) reactions." RSC Advances 8, no. 31 (2018): 17191–201. http://dx.doi.org/10.1039/c8ra02679c.

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Cl·+ (H<sub>2</sub>O)n → HCl + OH(H<sub>2</sub>O)n<sub>−1</sub> (n = 1–3) reactions have been investigated using multicomponent quantum mechanics method, which can take account of the nuclear quantum effect of proton and deuteron.

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21

Tarakanova, E. G., O. Yu Tsoi, G. V. Yukhnevich, I. S. Kislina, and N. B. Librovich. "Ab Initio Study of the (DMF)m· (HCl)n(m, n = 0–2) Complexes." Kinetics and Catalysis 45, no. 3 (2004): 359–66. http://dx.doi.org/10.1023/b:kica.0000032169.38973.36.

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22

Ibrahim, Mukaila A., Kathryn E. Preuss, and René T. Boeré. "N,N,N′-Tris(trimethylsilyl)-2-pyridinecarboximidamide." Molbank 2025, no. 3 (2025): M2031. https://doi.org/10.3390/m2031.

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N,N,N′-tris(trimethylsilyl)-carboximidamides are effective reagents in synthetic chemistry in reactions with both non-metal and metal halides, because the side product is the mild and volatile ClSi(CH3)3 rather than corrosive HCl. The title compound inserts the 2-pyridylamidinate fragment into several non-metal systems, including custom chelating radical ligands. The single-crystal X-ray diffraction structure was determined and modeled by Hirshfeld atom refinement using custom aspherical atomic scattering factors. Excellent data quality led to a model with enhanced precision of all interatomic

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23

Dinakaran, Sathis Kumar, Santhos Kumar, David Banji, Harani Avasarala, and Venkateshwar Rao. "Formulation and evaluation of bi-layer floating tablets of ziprasidone HCl and trihexyphenidyl HCl." Brazilian Journal of Pharmaceutical Sciences 47, no. 3 (2011): 545–53. http://dx.doi.org/10.1590/s1984-82502011000300012.

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The purpose of this research study was to establish ziprasidone HCl NR 40 mg and trihexyphenidyl HCl SR 4mg in the form of bi-layer sustained release floating tablets. The tablets were prepared using sodium HPMC K4M / HPMC K15M as bio-adhesive polymers and sodium bicarbonate acting as a floating layer. Tablets were evaluated based on different parameters such as thickness, hardness, friability, weight variation, in vitro dissolution studies, content of active ingredient and IR studies. The physico-chemical properties of the finished product complied with the specifications. In vitro release fr

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24

Leung, Helen O., Winn T. Cashion, Katharine K. Duncan, Christine L. Hagan, and Sujin Joo. "Nuclear quadrupole hyperfine structure in the microwave spectrum of HCl–N[sub 2]O: Electric field gradient perturbation of N[sub 2]O by HCl." Journal of Chemical Physics 121, no. 1 (2004): 237. http://dx.doi.org/10.1063/1.1756871.

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25

Hutomo, Gatot Siswo, Amalia Noviyanty, and Ririn Kristianingsih. "EXTRACTION AND CHARACTERIZATION OF PECTIN FROM PASSION FRUIT (PASSIFLORA EDULIS L.) USING CHLORIDE ACID SOLUTION." AGROLAND The Agricultural Sciences Journal (e-Journal) 9, no. 1 (2022): 21–28. http://dx.doi.org/10.22487/agroland.v0i0.1217.

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Pectin is a natural substance found in most food crops. In general, pectin extraction uses mineral and organic acids, such as sodium hexametaphosphate acid, sulfuric acid, hydrochloric acid, acetic acid, nit citric, and citric acid. The study aimed to obtain the concentration of HCl, which gave the best value for the physical and chemical properties of passion fruit pectin. This study was a completely randomized design. The tested factor was 400 ml HCl solution with five treatment levels of HCl concentration: 1 N; 1.5 N; 2 N; 2.5 N; and 3 N. Each treatment was repeated three times, and therefo

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26

Bolotov, V. V., K. E. Ivlev, and I. V. Ponomareva. "Macroporous layers formation on n-Si substrates in an HF-containing electrolyte adding HCl." Omsk Scientific Bulletin, no. 171 (2020): 65–69. http://dx.doi.org/10.25206/1813-8225-2020-171-65-69.

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27

Adriyani, Ana, Yusnita Rifai, and Risfah Yulianty. "PENETAPAN KADAR PSEUDOEPHEDRINE HCl, GUAIFENESIN DAN TRIPROLIDINE HCl SECARA SIMULTAN DALAM SEDIAAN SIRUP DENGAN METODE KCKT." Majalah Farmasi dan Farmakologi 22, no. 1 (2018): 5–7. http://dx.doi.org/10.20956/mff.v22i1.5688.

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Dalam rangka mengontrol kualitas dan keamanan obat yang beredar, maka diperlukan metode analisis obat baru. Penelitian ini bertujuan untuk memperoleh metode analisis penetapan kadar campuran triprolidin HCl, pseudoephedrine HCl dan guaifenesin dalam sediaan sirup secara simultan dengan metode KCKT. Kondisi analisis KCKT menggunakan kolom C18. [Waters x bridge (4,6 x 250 mm) 5 μm], pada panjang gelombang 210 nm, kecepatan alir 0,6 ml/menit dengan fase gerak : [methanol : dapar KH2PO4 pH 3,0 (45 : 55)]. Hasil uji presisi (n=10) mempunyai kadar rata-rata dan %RSD untuk pseudoephedrine HCl, guaife

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28

Kamrin, Michael A. "Workshop on the Health Effects of HCl in Ambient Air." Regulatory Toxicology and Pharmacology 15, no. 1 (1992): 73–82. http://dx.doi.org/10.1016/0273-2300(92)90085-n.

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29

Andersen, Heidi Gade, David Kvaskoff, and Curt Wentrup. "Bisiminopropadienes R-N=C=C=C=N-R from Pyridopyrimidines." Australian Journal of Chemistry 65, no. 6 (2012): 686. http://dx.doi.org/10.1071/ch12039.

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Chlorination of the N,N′-di(2-pyridyl)malonamide 13a affords 2-chloro-8-methyl-4-(2-(4-picolinyl)imino-4H-pyrido[1,2-a]pyrimidine 17a. Flash vacuum thermolysis of 17a causes efficient ring opening to the valence-tautomeric ketenimine 18a/19a, elimination of HCl, and formation of the bis(4-methyl-2-pyridyl)iminopropadiene, R-N=C=C=C=N-R 20a.

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30

Bacelo, Daniel E., R. C. Binning, and Yasuyuki Ishikawa. "Ab Initio Monte Carlo Simulated Annealing Study of HCl(H2O)n(n= 3, 4) Clusters." Journal of Physical Chemistry A 103, no. 24 (1999): 4631–40. http://dx.doi.org/10.1021/jp9843003.

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31

Re, Suyong, Yoshihiro Osamura, Youhei Suzuki, and Henry F. Schaefer. "Structures and stability of hydrated clusters of hydrogen chloride, HCl(H2O)n, n=1–5." Journal of Chemical Physics 109, no. 3 (1998): 973–77. http://dx.doi.org/10.1063/1.476640.

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32

Avci, Gülşen. "Inhibitor effect of N,N′-methylenediacrylamide on corrosion behavior of mild steel in 0.5M HCl." Materials Chemistry and Physics 112, no. 1 (2008): 234–38. http://dx.doi.org/10.1016/j.matchemphys.2008.05.036.

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33

Matsuguchi, Masanobu, Noboru Harada, and Satoshi Omori. "Poly(N-isopropylacrylamide) nanoparticles for QCM-based gas sensing of HCl." Sensors and Actuators B: Chemical 190 (January 2014): 446–50. http://dx.doi.org/10.1016/j.snb.2013.08.095.

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34

Packer, Martin J., and David C. Clary. "Interaction of HCl with water clusters: (H2O)nHCl, n = 1-3." Journal of Physical Chemistry 99, no. 39 (1995): 14323–33. http://dx.doi.org/10.1021/j100039a020.

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35

Russo, Michael F., and E. Curotto. "Canonical parallel tempering simulations of Arn–HCl clusters (n=1–12)." Chemical Physics Letters 379, no. 3-4 (2003): 386–92. http://dx.doi.org/10.1016/j.cplett.2003.08.070.

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36

Fox-Beyer, Brigitte S., Zheng Sun, Iulia Balteanu, O. Petru Balaj, and Martin K. Beyer. "Hydrogen formation in the reaction of Zn+(H2O)n with HCl." Physical Chemistry Chemical Physics 7, no. 5 (2005): 981. http://dx.doi.org/10.1039/b415583a.

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37

Sałdyka, Magdalena. "Interaction of N-hydroxyurea with strong proton donors: HCl and HF." Chemical Physics 444 (November 2014): 15–22. http://dx.doi.org/10.1016/j.chemphys.2014.09.009.

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38

Isoda, Kyosuke, Yuika Sato та Daisuke Matsukuma. "Fluorescent N-Heteroacene-Based π-Conjugated Liquid Responsive to HCl Vapor". ChemistrySelect 2, № 24 (2017): 7222–26. http://dx.doi.org/10.1002/slct.201701412.

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39

Becker, Lillian C., Wilma F. Bergfeld, Donald V. Belsito, et al. "Safety Assessment of Hydroxypropyl Bis(N-Hydroxyethyl-p-Phenylenediamine) HCl as Used in Cosmetics." International Journal of Toxicology 35, no. 2_suppl (2016): 5S—11S. http://dx.doi.org/10.1177/1091581816659258.

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The Cosmetic Ingredient Review Expert Panel (CIR Panel) reviewed the safety of hydroxypropyl bis( N-Hydroxyethyl- p-Phenylenediamine) HCl, which functions as an oxidative hair dye ingredient. The Panel considered relevant animal and human data provided in this safety assessment and concluded that hydroxypropyl bis( N-hydroxyethyl- p-phenylenediamine) HCl is safe for use in oxidative hair dye formulations as described in this safety assessment.

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40

Chairunisya, Rahmila Aulia, Gatot Siswo Hutomo, and Amalia Noviyanty. "EKSTRAKSI PEKTIN KULIT BUAH NANGKA (Artocarpus heterophyllus) MENGGUNAKAN ASAM KLORIDA PADA BERBAGAI KONSENTRASI." AGROTEKBIS : E-JURNAL ILMU PERTANIAN 11, no. 3 (2023): 590–600. http://dx.doi.org/10.22487/agrotekbis.v11i3.1730.

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Tujuan penelitian ini adalah untuk mendapatkan konsentrasi HCl yang memberikan pengaruh terbaik terhadap sifat fisik dan kimia pektin kulit nangka dan untuk mengetahui kualitas pektin terbaik dari ekstraksi kulit nangka menggunakan larutan HCl. Penelitian ini dilaksanakan di Laboratorium Agroindustri Fakultas Pertanian Universitas Tadulako Palu Sulawesi Tengah. Bahan yang digunakan yaitu kulit buah Nangka dengan menggunakan metode ekstraksi pektin. Waktu pelaksanaan penelitian berlangsung dari bulan Maret sampai April 2022. Penelitian ini merupakan penelitian eksperimental berbasis kulit nangk

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41

Millspaugh, Joshua J., Brian E. Washburn, Tamara M. Meyer, Jeff Beringer, and Lonnie P. Hansen. "Immobilization of Clover-trapped White-tailed Deer, Odocoileus virginianus, with Medetomidine and Ketamine, and Antagonism with Atipamezole." Canadian Field-Naturalist 118, no. 2 (2004): 185. http://dx.doi.org/10.22621/cfn.v118i2.911.

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We evaluated the effectiveness of immobilizing Clover-trapped White-tailed Deer (Odocoileus virginanus) with medetomidine hydrochloride (HCl) and ketamine HCl during winter and summer by monitoring immobilization intervals and vital signs. In winter, we captured deer in Clover traps in 1 4-ha research enclosure for relocation to another on-site enclosure (n = 5). In summer, we captured free-ranging deer in Clover traps to attach radio-collars (n = 4). We administered an estimated 0.055 mg/kg medetomidine HCl and 2.5 mg/kg ketamine HCl to adult (> 1.5 years of age) deer and 0.06 mg/kg medeto

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42

Anand, Sonkar, Kaushik Love Shalini, Sharma Anjali, et al. "Effect of HCl pretreatment on tomato (Solanum lycopersicum L.) seed germination." International Journal of Innovative Science and Research Technology 7, no. 10 (2022): 491–94. https://doi.org/10.5281/zenodo.7269311.

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The practical utility of seed pre-treatment is well documented. Seed pre-treatment has been utilized to improve the germination of different crop species. In the present study, the effect of pre-treatment of Tomato (Solanum lycopersicum L.) seeds, which is one of the important vegetable crops with hydrochloric acid (HCl) was analysed. Tomato seeds were soaked in distilled water and two concentrations of HCl (0.03 N and 0.3 N) for three different time periods i.e., 2 hours, 4 hours and 6 hours. After the pre-treatment, seeds were sterilized using 5% of sodium hypochlorite (NaOCl) for 5 minutes.

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43

Wadhwani, P. M., V. K. Panchal, and N. K. Shah. "Investigation of anti-corrosive properties of o-anisidine-N-salicylidene and its nanocomposite o-anisidine-N-salicylidene/NiONPs on mild steel in 2 N HCl." RSC Advances 6, no. 93 (2016): 90897–915. http://dx.doi.org/10.1039/c6ra13630c.

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This paper describes the inhibition of mild steel corrosion in 2 N HCl aqueous solution by o-anisidine-N-salicylidene (o-AnNS) and o-AnNS assembled on nickel oxide nanoparticles (NiONPs), which was investigated using various techniques.

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44

Salam, Abdul Kadir. "The correlation study of several chemical extractants to assess plant copper uptake from tropical soils polluted with heavy metals." IOP Conference Series: Earth and Environmental Science 1314, no. 1 (2024): 012003. http://dx.doi.org/10.1088/1755-1315/1314/1/012003.

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Abstract Glass-house experiments were conducted to study the correlation between Cu uptake by several plants and soil Cu extracted by several chemical extractants. Heavy-metal contaminated soils from Lampung, the southern part of Sumatra, Indonesia, with different levels of Cu were used. Eight different plants including amaranth (Amaranthus tricolor), caisim (Brassica chinensis var. Parachinensis), corn (Zea mays L.), land spinach (Ipomoea reptans Poir), lettuce (Lactuca sativa), napier grass (Penissetum purpureum), thorny amaranth (Amaranthus spinosus L.) and water spinach (Ipomoea aquatica)

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Kokare, Arjun, Vishal Suryavanshi, Sunil Zanje, Gurupad Kore, and Mansing Anuse. "Liquid–liquid extraction and separation of lead(ii) by using N-n-octylcyclohexylamine as an extractant: analysis of real samples." Analytical Methods 8, no. 32 (2016): 6158–67. http://dx.doi.org/10.1039/c6ay00887a.

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Kerner, Christian, Jens P. Neu, Maximilian Gaffga, et al. "Gas-phase reactivity of Cp* group IX metal complexes bearing aromatic N,N′-chelating ligands." New Journal of Chemistry 41, no. 15 (2017): 6995–7006. http://dx.doi.org/10.1039/c7nj01079f.

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Compounds of the type [(η<sup>5</sup>-Cp*)M(Cl)(N,N′)]<sup>+</sup> bearing N,N′-coordinating ligands show different modes of HCl cleavage depending on the nature of the N,N′-chelate ligand and the metal center.

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Riniwati, Riniwati, Diana Eka Pratiwi, and Alimin Alimin. "Ekstraksi dan Karakterisasi Pektin dari Kulit Pisang Raja (Musa sapientum) dengan Variasi Konsentrasi HCl." Chemica: Jurnal Ilmiah Kimia dan Pendidikan Kimia 19, no. 2 (2019): 191. http://dx.doi.org/10.35580/chemica.v19i2.12777.

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ABSTRAK   Penelitian ini bertujuan untuk mengetahui karakteristik pektin hasil ekstraksi dari kulit pisang raja (Musa sapientum) dengan variasi konsentrasi HCl. Konsentrasi HCl yang digunakan adalah 0,04 N, 0,05 N, dan 0,06 N dengan suhu 900C dan waktu ekstraksi 80 menit. Pektin yang diperoleh dikarakterisasi yang terdiri dari rendemen, kadar air, kadar abu, kadar metoksil dan identifikasi gugus fungsi menggunakan Fourier Transform Infrared Spectroscopy (FT-IR) serta uji morfologi menggunakan Scanning Electron Microscopy (SEM). Hasil penelitian menunjukkan bahwa rendemen pektin ber

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Suzuki, Tomoya, Takeshi Ogata, Mikiya Tanaka, et al. "Speciation of Ruthenium(III) Chloro Complexes in Hydrochloric Acid Solutions and Their Extraction Characteristics with an Amide-Containing Amine Compound." Metals 8, no. 7 (2018): 558. http://dx.doi.org/10.3390/met8070558.

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The refining of platinum group metals is based mainly on solvent extraction methods, whereas Ru is selectively recovered by distillation as RuO4. Replacement of distillation by extraction is expected to simplify the purification process. To develop an effective extraction system for Ru, we analyzed the Ru species in HCl with ultraviolet-visible (UV-Vis) and Ru K-edge extended X-ray absorption fine structure (EXAFS) spectroscopies, and we examined the properties of Ru extracted with N-2-ethylhexyl-bis(N-di-2-ethylhexyl-ethylamide) amine (EHBAA) and trioctylamine (TOA). EXAFS and UV-Vis spectra

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Kim, Jongkeon, Bokyung Hong, Myung Ja Lee, and Beob Gyun G. Kim. "PSI-1 A minimum amount of hydrochloric acid for pig urine collection to inhibit nitrogen volatilization." Journal of Animal Science 99, Supplement_3 (2021): 278–79. http://dx.doi.org/10.1093/jas/skab235.511.

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Abstract The objectives were to demonstrate that nitrogen volatilization from pig urine can be inhibited by the addition of acids and to determine a minimum amount of HCl for nitrogen preservation in pig urine. In experiment 1, five urine samples were collected and had nitrogen concentrations of 0.29% to 0.68%. Each sample was divided into 2 groups that were supplemented with 100 mL of distilled water and 100 mL of 6 N HCl, respectively. The samples were placed in open containers at room temperature for 10 d. The nitrogen concentration was determined every 2 d. The amount of nitrogen in urine

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Xie, Bin, Chuan Lai, Li Ke Zou, et al. "Adsorption Behavior and Inhibition of N,N-Diethylammonium O,O'-Dicyclohexydithiophosphate for Carbon Steel in Acid Medium." Advanced Materials Research 239-242 (May 2011): 347–51. http://dx.doi.org/10.4028/www.scientific.net/amr.239-242.347.

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The inhibition effect of N,N-diethylammonium O,O'-dicyclohexyldithiophosphate(NOCP) against the corrosion of carbon steel in HCl solution was studied by weight loss measurement, potentiodynamic polarization and atomic force microscopy techniques. The studies of weight loss measurement show that the inhibition efficiency was up to 99.54 % at the inhibitor concentration of 2.717×10-4 M in 1.0 M HCl solution at 25°C. The adsorption of NOCP on carbon steel surface obeys the Langmuir isotherm. Polarization curves indicate NOCP is a mixed-type inhibitor, and the obtained standard free energy of adso

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