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Journal articles on the topic 'Aniline absorption'

Author: Grafiati

Published: 5 June 2025

Last updated: 1 August 2025

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1

R., P. Rastogi, and K. Srivastava P. "An optically oscillating ephemeral intermediate in uncatalyzed bromate driven oscillators." Journal of Indian Chemical Society Vol. 81, Nov 2004 (2004): 959–61. https://doi.org/10.5281/zenodo.5833485.

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Department of Chemistry, Lucknow University, Lucknow-226 001, India Department of Applied Chemistry, Birla Institute of Technology, Mesra, Ranchi-835 215, India <em>Manuscript received 21 June 2003, revised 21 June 2004, accepted 22 July 2004</em> An optically oscillating ephemeral intermediate was found in the uncatalyzed bromate driven oscillator, phenol-\(BrO_3^--H_2SO_4\) or aniline-\(BrO_3^--H_2SO_4\) system in a batch reactor. These oscillations were found to be in phase with the redox potential oscillations. The oscillating ephemeral intemediate in phenol system was found to be phenoxy

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2

KURIAN, ACHAMMA, S. THOMAS LEE, K. P. UNNIKRISHNAN, D. SAJAN GEORGE, V. P. N. NAMPOORI, and C. P. G. VALLABHAN. "STUDIES ON TWO-PHOTON ABSORPTION OF ANILINE USING THERMAL LENS EFFECT." Journal of Nonlinear Optical Physics & Materials 12, no. 01 (2003): 75–80. http://dx.doi.org/10.1142/s0218863503001213.

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Two-photon absorption spectrum of aniline is recorded using thermal lens effect with optical parametric oscillator as the pump source. Studies show that the two-photon absorption spectrum observed corresponds to 1A1 → 1B2 transition of aniline.

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3

Bayrakçeken, Fuat, and İpek Ş. Karaaslan. "High resolution electronic absorption spectra of aniline, anilino and silicon dioxide." Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 59, no. 12 (2003): 2785–89. http://dx.doi.org/10.1016/s1386-1425(03)00061-1.

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4

Bhattacharya, Sumanta, Sandip K. Nayak, Subrata Chattopadhyay, Manas Banerjee, and Asok K. Mukherjee. "Absorption Spectroscopic Study of the Complexation of C70with Aniline and Substituted Anilines." Journal of Physical Chemistry A 106, no. 29 (2002): 6710–13. http://dx.doi.org/10.1021/jp0204051.

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5

Tian, Weiguo, Yinan Xue, Jintao Tian, et al. "Colorimetric and fluorometric dual-mode detection of aniline pollutants based on spiropyran derivatives." RSC Advances 6, no. 86 (2016): 83312–20. http://dx.doi.org/10.1039/c6ra17862f.

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The selective UV-vis absorption of spiropyran and the fluorescence quenching of SP-cellulose material induced by aniline were observed and exploited for rapid detection and accurate quantitative determination of aniline pollutants in the environment.

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6

Qin, Ling, G. N. R. Tripathi, and Robert H. Schüler. "Radiation Chemical Studies of the Oxidation of Aniline in Aqueous Solution." Zeitschrift für Naturforschung A 40, no. 10 (1985): 1026–39. http://dx.doi.org/10.1515/zna-1985-1009.

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Oxidation of aniline in aqueous solution by ·OH radicals proceeds predominantly via addition to the ring followed by elimination of OH- on the microsecond time scale to form the aniline radical cation. Direct oxidation by electron transfer accounts for less than 4% of the ·OH reactions. The different hydroxycyclohexadienyl isomers produced by ·OH addition decay at different rates with this decay catalyzed both by protons and phosphate. In basic solution the resultant radical cation deprotonates to form the anilino radical. The p Ka for the equilibrium between the acidic and basic forms of this

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7

Zhang, Xuan. "Preparation and Microwave Absorption Properties of Polyaniline and Magnetite Core-Shell-Structured Hybrid." International Journal of Polymer Science 2018 (October 24, 2018): 1–6. http://dx.doi.org/10.1155/2018/3417060.

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In this study, polyaniline and Fe3O4 (PAN@Fe3O4) hybrids are fabricated and their microwave absorption property is studied. PAN@Fe3O4 hybrids are fabricated by the in situ aniline polymerization at spherical of Fe3O4 which is prepared by the solvothermal process. Fourier-transform infrared spectrophotometer (FTIR), X-ray diffraction (XRD), and X-ray photoelectron spectroscopy (XPS) are applied to confirm the composition of the fabricated PAN@Fe3O4 hybrids. The morphologies of PAN@Fe3O4 hybrids are studied by scanning electron microscope (SEM) and transmission electron microscopy (TEM). The con

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8

Mou, Wen-Yu, Bin Xie, Xiao-Long Li, et al. "Tartrate-stabilized titanium–oxo clusters containing sulfonate chromophore ligands: synthesis, crystal structures and photochemical properties." New Journal of Chemistry 45, no. 24 (2021): 10930–39. http://dx.doi.org/10.1039/d1nj01540k.

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9

Lin, Shu-Yu, Sheng-Lung Chou, Chien-Ming Tseng, and Yu-Jong Wu. "IR absorption spectra of aniline cation, anilino radical, and phenylnitrene isolated in solid argon." Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 276 (August 2022): 121233. http://dx.doi.org/10.1016/j.saa.2022.121233.

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10

Li, Ding Guo, Wen Hua Lu, Cong Chen, Wei Rao, and Yong Hong Xiong. "Synthesis and Microwave Absorption Characteristics of Polyaniline." Applied Mechanics and Materials 327 (June 2013): 53–57. http://dx.doi.org/10.4028/www.scientific.net/amm.327.53.

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This paper aims at reporting the synthesis and microwave absorption characteristics of polyaniline (PANI). The PANI nanoparticles were synthesized by chemical oxidative polymerization method with ammonium persulfate ((NH4)2S2O8, APS) as oxidant and hydrochloric acid (HCl) for protonation of aniline. For APS/aniline mol ratio of 1, HCl concentration of 1 mol/L, reaction temperature of 5°C, the reaction time of 6h, the obtained PANI exhibits the highest value（30.9 S·cm-1）of the electrical conductivity. The structure and morphology of PANI were studied by X-ray diffraction (XRD), scanning electro

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11

Park, Chanil, Soeun Im, Wonseok Cho, Yunryeol Kim, and Jung Hyun Kim. "Facile synthesis of P(EDOT/Ani) : PSS with enhanced heat shielding efficiency via two-stage shot growth." RSC Advances 8, no. 23 (2018): 12992–98. http://dx.doi.org/10.1039/c8ra01122b.

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12

Sadai, Shumpei, Yoshifumi Hashikawa, and Yasujiro Murata. "Open-[60]fullerene–aniline conjugates with near-infrared absorption." RSC Advances 13, no. 21 (2023): 14575–79. http://dx.doi.org/10.1039/d3ra02113k.

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Two open-[60]fullerene–aniline conjugates were synthesized, where the π-conjugation is connected by an imino or amino group, and found to exhibit absorption bands tailing to 1100 and 1200 nm, respectively.

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13

Pantaine, Loïc, Vincent Humblot, Vincent Coeffard, and Anne Vallée. "Sulfamide chemistry applied to the functionalization of self-assembled monolayers on gold surfaces." Beilstein Journal of Organic Chemistry 13 (April 4, 2017): 648–58. http://dx.doi.org/10.3762/bjoc.13.64.

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Aniline-terminated self-assembled monolayers (SAMs) on gold surfaces have successfully reacted with ArSO2NHOSO2Ar (Ar = 4-MeC6H4 or 4-FC6H4) resulting in monolayers with sulfamide moieties and different end groups. Moreover, the sulfamide groups on the SAMs can be hydrolyzed showing the partial regeneration of the aniline surface. SAMs were characterized by water contact angle (WCA) measurements, Fourier-transform infrared reflection absorption spectroscopy (IRRAS) and X-ray photoelectron spectroscopy (XPS).

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14

Ansari, Anjum, Smita Joshi, and Sulbha Amlathe. "Quantification of Aniline with Bleaching Powder via Indophenol Reaction and Its Residual Determination in Lubricating Oils." Asian Journal of Water, Environment and Pollution 9, no. 4 (2012): 95–102. http://dx.doi.org/10.3233/ajw-2012-9_4_13.

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A rapid and one step condensation method for trace level determination of aniline is developed in environmental and real sample i.e., lubricating oil. The method involves the use of oxidative coupling reaction for aniline and phenol using bleaching powder as an oxidizing agent in alkaline medium. The dye has a maximum absorption at 640 nm. Beer's law is obeyed in the range of 0.125 to 0.75 μg/ml and its detection limit is 0.025 μg. Molar Absorptivity and Sandell's Sensitivity were found to be 4.4 × 10 $^3$ litres/mol/cm (± 100) and 0.021 μg cm $^{-2}$ , respectively. Standard Deviation and Rel

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15

Dai, Jinlan, Honglei Yin, Lingyun Yu, Tang Hong, Lei Zhou та Minghua Liu. "Novel poly(β-cyclodextrin) porous material as solid phase extraction sorbent for aniline derivatives in rubber samples". BioResources 16, № 3 (2021): 5746–65. http://dx.doi.org/10.15376/biores.16.3.5746-5765.

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Aniline derivates are widely used in rubber products as anti-aging agents, but their biological toxicity causes harm in the use and recycling of rubber products. Therefore, in this study, a high-performance poly(3,4,5,6-tetra-fluorophthalonitrile-β-cyclodextrin)(P-TFPN-β-CD) solid-phase extraction (SPE) adsorbent was synthesized and applied to extract and detect aniline derivatives in rubber specimens. After crosslinking with 3,4,5,6-tetrafluorophthalonitrile (TFPN), the polymer exhibited mesopores (7.88 nm) and a large specific area (55.2 m2/g). The porous structure significantly improved the

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16

Guo, Zhi Rui, Y. DuanMu, and Ning Gu. "One-Step Preparation of Fibrous Aggregates of Gold Nanoparticles Using Aniline as Reducing Agent as well as Monomer." Solid State Phenomena 121-123 (March 2007): 251–54. http://dx.doi.org/10.4028/www.scientific.net/ssp.121-123.251.

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Nanoscaled fibrous aggregates of gold nanoparticles have been synthesized by a simultaneous reduction-oxidation polymerization process using aniline as reducing agent as well as monomer in an ethanol medium. Time-dependent UV-Vis absorption spectroscopy was used to track the formation process of gold nanoparticles. The transmission electron microscopy (TEM) images and Fourier transform infrared (FT-IR) spectrum of the as-preapred products indicate these gold nanoparticles were binded by the oxidation polymerization resultant of aniline.

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17

Mungmeechai, T., Suesat Jantip, and P. Suwanruji. "Study of the Relationships between the Chemical Structures of Azo Disperse Dyes and their Dyeing Properties on Polyester." Advanced Materials Research 93-94 (January 2010): 332–35. http://dx.doi.org/10.4028/www.scientific.net/amr.93-94.332.

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A series of azo disperse dyes was synthesized using 4-nitro aniline and 2-chloro-4-nitro aniline as diazo components. The coupling components were N,N-diethyl aniline, N,N-bis-β-hydroxyethyl aniline, N,N-bis-β-acetoxyethyl aniline, N,N-diethyl-m-toluidine, N,N-bis-β-hydroxyethyl-m-toluidine and N,N-bis-β-acetoxyethyl-m-toluidine. The structures of the synthesized dyes were confirmed by TLC, 1H NMR and elemental analysis. The spectroscopic properties of the dyes when dissolved in the organic solvents viz. ethyl acetate and methyl benzoate, were investigated. The absorption spectra of the dyes s

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18

WANG, HUI, DONG-HEE HAN, SEUNG HYUN CHANG, JEONG-TAK RYU, and YOUNGHWAN KWON. "SYNTHESIS AND CHARACTERIZATION OF ALTERNATING COPOLYMERS CONTAINING CARBAZOLE AND ANILINE MOIETIES." International Journal of Modern Physics B 20, no. 25n27 (2006): 3981–86. http://dx.doi.org/10.1142/s0217979206040726.

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Four different types of alternating copolymers, named as poly(N-(2-ethylhexyl)-3,6-dibromo-carbazole-alt-aniline) (P1), poly(3,6-dibromo-carbazole-alt-aniline) (P2), poly(N-(3,5-dibromo-methylene-phenyl)-carbazole-alt-aniline) (P3) and poly(N-[4-(2-ethylhexyloxyl)-3,5-dibromomethylene-phenyl]-carbazole-alt-aniline) (P4) were successfully synthesized by palladium-catalyzed polycondensation of corresponding carbazole-containing dibrominated compounds and an aniline. These resulting polymers exhibited good solubility in normal organic solvents and showed relatively high molecular weights. Excelle

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19

KUMUD, INTODIA, VARDIA JITENDRA, KHATHURIA BHAGCHAND, and V. BHAT C. "Ion Exchange Column Studies with Aniline." Journal of Indian Chemical Society Vol. 74, July 1997 (1997): 586–87. https://doi.org/10.5281/zenodo.5908871.

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Department of Chemistry, Sukhadia University, Udaipur-313 001 Department of Mines and Geology, Government of Rajasthan, Udaipur <em>Manuscript received 28 April 1993, revised 29 December 1995, accepted 1 April 1996</em> Ion Exchange Column Studies with Aniline.

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20

Kaitsuka, Yuki, and Hiromasa Goto. "Chemical Polymerisation of Aniline in the Presence of Sericin." International Letters of Chemistry, Physics and Astronomy 46 (January 2015): 48–53. http://dx.doi.org/10.18052/www.scipress.com/ilcpa.46.48.

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A series of polyaniline/sericin composites were prepared by oxidative polymerisation of aniline in the presence of sericin. The preparation of polyaniline composites containing sericin were confirmed by Fourier-transform infrared spectroscopy. From the result of electron spin resonance spectroscopy, the electron spin concentration of the composites decreases with sericin/aniline ratio in the polymerisation. Circular dichroism absorption spectroscopy measurements revealed that sericin influences aggregation state of polyaniline. Scanning electron microscopy suggested that the polyaniline compos

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21

Kaitsuka, Yuki, and Hiromasa Goto. "Chemical Polymerisation of Aniline in the Presence of Sericin." International Letters of Chemistry, Physics and Astronomy 46 (January 26, 2015): 48–53. http://dx.doi.org/10.56431/p-mz47fw.

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A series of polyaniline/sericin composites were prepared by oxidative polymerisation of aniline in the presence of sericin. The preparation of polyaniline composites containing sericin were confirmed by Fourier-transform infrared spectroscopy. From the result of electron spin resonance spectroscopy, the electron spin concentration of the composites decreases with sericin/aniline ratio in the polymerisation. Circular dichroism absorption spectroscopy measurements revealed that sericin influences aggregation state of polyaniline. Scanning electron microscopy suggested that the polyaniline compos

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22

Chou, Sheng-Lung, Wen-Jian Huang, Chih-Hao Chin, Shu-Yu Lin, Hui-Fen Chen, and Yu-Jong Wu. "Electronic absorption spectra of aniline cations in solid neon." Journal of Molecular Structure 1316 (November 2024): 139051. http://dx.doi.org/10.1016/j.molstruc.2024.139051.

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23

Vo, Huyen Thanh, Shin Hye Cho, Ung Lee, Jungho Jae, Honggon Kim, and Hyunjoo Lee. "Reversible absorption of SO2 with alkyl-anilines: The effects of alkyl group on aniline and water." Journal of Industrial and Engineering Chemistry 69 (January 2019): 338–44. http://dx.doi.org/10.1016/j.jiec.2018.09.033.

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24

Kaur, Inderpreet, Sonal Gaba, Sukhraj Kaur, Rajeev Kumar, and Jyoti Chawla. "Spectrophotometric determination of triclosan based on diazotization reaction: response surface optimization using Box–Behnken design." Water Science and Technology 77, no. 9 (2018): 2204–12. http://dx.doi.org/10.2166/wst.2018.123.

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Abstract A spectrophotometric method based on diazotization of aniline with triclosan has been developed for the determination of triclosan in water samples. The diazotization process involves two steps: (1) reaction of aniline with sodium nitrite in an acidic medium to form diazonium ion and (2) reaction of diazonium ion with triclosan to form a yellowish-orange azo compound in an alkaline medium. The resulting yellowish-orange product has a maximum absorption at 352 nm which allows the determination of triclosan in aqueous solution in the linear concentration range of 0.1–3.0 μM with R2 = 0.

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25

Farasat, Mahshid, M. Maqsood Golzan, Khalil Farhadi, S. H. Reza Shojaei, and Sorayya Gheisvandi. "Preparation, characterization and electrochromic properties of composite thin films incorporation of polyaniline." Modern Physics Letters B 30, no. 15 (2016): 1650175. http://dx.doi.org/10.1142/s021798491650175x.

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Two different electrochromic composite films consisting of aniline/sodium molybdate (S1) and aniline/ferric nitrate (S2) were obtained by electrochemical polymerization method on indium tin oxide (ITO) coated glass substrates in oxalic acid (H2C2O[Formula: see text]2H2O) aqueous solution. The electrochromic properties of the resulting thin films were investigated by spectroelectrochemical measurement and cyclic voltammetry (CV). Under a square electrical potential, they show capacitive current characteristic and represent electrochromic performance, with maximum optical attenuations ([Formula:

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26

Hu, Xuefeng, Xiaowen Wang, Liuliu Dong, Fei Chang, and Yongming Luo. "Aniline chlorination by in situ formed Ag–Cl complexes under simulated solar light irradiation." Water Science and Technology 71, no. 11 (2015): 1679–85. http://dx.doi.org/10.2166/wst.2015.149.

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Ag speciation in a chloride medium was dependent upon the Cl/Ag ratio after releasing into surface water. In this study, the photoreaction of in situ formed Ag–Cl species and their effects on aniline photochlorination were systematically investigated. Our results suggested that formation of chloroaniline was strongly relevant to the Cl/Ag ratio and could be interpreted using the thermodynamically expected speciation of Ag in the presence of Cl−. AgCl was the main species responsible for the photochlorination of aniline. Both photoinduced hole and •OH drove the oxidation of Cl− to radical •Cl,

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27

Lazarev, Sergey I., Konstantin S. Lazarev, Olga A. Kovaleva, Vadim G. Kazakov, and Alexandr E. Strelnikov. "INVESTIGATION OF KINETIC COEFFICIENTS OF ELECTRIC HYPERFILTRATION EXTRACTION OF CHEMICAL SUBSTANCES FROM ANILINE-CONTAINING MANUFACTURING PROCESS SOLUTIONS." IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENIY KHIMIYA KHIMICHESKAYA TEKHNOLOGIYA 60, no. 5 (2017): 74. http://dx.doi.org/10.6060/tcct.2017605.5554.

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The data on extraction factor; hindrance factor and solvent specific flow value during electric hyperfiltration extraction of substances from aniline-containing manufacturing process solutions are obtained in this study. The interpretation of experimental materials (extraction factor; hindrance factor and solvent specific flow) in a dependence on current density; concentration; nature of dissolved substance and semipermeable membrane type is presented as well. It was established that extraction factor and hindrance factor for aniline-containing substances is increased due to the growth of curr

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28

Chandrasekhar, P., and K. Naishadham. "Broadband microwave absorption and shielding properties of a poly(aniline)." Synthetic Metals 105, no. 2 (1999): 115–20. http://dx.doi.org/10.1016/s0379-6779(99)00085-5.

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29

Lin, Ching-Yao, Yu-Chun Hung, Chih-Ming Liu, Chen-Fu Lo, Yu-Chin Lin, and Chia-Liang Lin. "Synthesis, electrochemistry, absorption and electro-polymerization of aniline-ethynyl metalloporphyrins." Dalton Transactions, no. 2 (2005): 396. http://dx.doi.org/10.1039/b410416a.

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30

Bhattacharya, Suman, Binay K. Dutta, Manoranjan Shyamal, and Ranjan K. Basu. "Absorption of sulfur dioxide in aqueous dispersions of dimethyl aniline." Canadian Journal of Chemical Engineering 74, no. 3 (1996): 339–46. http://dx.doi.org/10.1002/cjce.5450740304.

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31

CROSTON, M., J. LANGSTON, G. TAKACS, et al. "CONVERSION OF ANILINE TO AZOBENZENE AT FUNCTIONALIZED CARBON NANOTUBES: A POSSIBLE CASE OF A NANODIMENSIONAL REACTION." International Journal of Nanoscience 01, no. 03n04 (2002): 285–93. http://dx.doi.org/10.1142/s0219581x02000255.

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Aniline is oxidized to nitrosobenzene as the initial product, which undergoes further oxidation to nitrobenzene. The nitrosobenzene formation is catalyzed by functionalized multiwalled carbon nanotubes (CNT) followed by a coupling reaction between nitrosobenzene and aniline to produce azobenzene. This coupling requires close proximity of the reactants. It proceeds rapidly resulting in the UV-VIS absorption spectrum showing maxima at 327 nm and 425 nm. The nitrosobenzene yield in the presence of CNTs is controlled by the amount present in the medium. As the reaction is not catalyzed by unfuncti

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32

Stejskal, Jaroslav, Pavel Kratochvíl, and Aubrey D. Jenkins. "Polyaniline: Forms and Formation." Collection of Czechoslovak Chemical Communications 60, no. 10 (1995): 1747–55. http://dx.doi.org/10.1135/cccc19951747.

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The forms of polyaniline, viz. pernigraniline, emeraldine and leucoemeraldine, their mutual transformations and their roles in the chemical polymerization of aniline, are discussed. Absorption spectra of its various protonated forms and corresponding bases are reported. A simple reaction scheme is proposed to account for the colour and acidity changes during polymerization.

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33

Kan, Kan, Chun Sheng Chen, Guang Xin Zhang, Chao Jiang, Li Li, and Ke Ying Shi. "Fabrication of Polyaniline-Coated Carbon Nanotubes Conducting Wire Nanocomposite for NH₃ Gas Sensors at Room Temperature." Advanced Materials Research 554-556 (July 2012): 661–66. http://dx.doi.org/10.4028/www.scientific.net/amr.554-556.661.

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The nanocomposite of polyaniline (PAni)-coated Carbon nanotubes (CNT) for NH3gas sensing application are presented in this paper. The nanorods of PAni/CNT nanocomposite was synthesized by chemical oxidative polymerization of aniline using ammonium persulfate in acidic medium. The aniline was adsorbed in CNT by vacuum absorption method. The morphologies and properties of the nanocomposite have been characterized by SEM, XRD and FTIR respectively. Thin sensor of PAni/CNT nanorods was prepared by spin coating method. Finally, the response of these composite films for NH3gas was evaluated by monit

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34

Azeez, Yousif Jalal. "Spectrophotometric Determination of Sulfathiazole in Different Pharmaceutical Formulations." Journal of Wasit for Science and Medicine 2, no. 1 (2022): 30–38. http://dx.doi.org/10.31185/jwsm.25.

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A simple, rapid and sensitive spectrophotometric method for the determination of sulfathiazole in aqueous solution is described. The method is based on the diazotized coupling reaction of aniline with sulfathiazole drugs. A mixture of an acidic solution (hydrochloric acid) of the sulfathiazole and the chromogenic was treated with sodium nitrite and aniline to form an intense orange water-soluble dye that is stable and has a maximum absorption at 480 nm. It was observed that the method is applicable for the determination of sulfathiazole in Nicotrim, Contri, Biotran and Bactrim forte formulatio

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35

Macchi, Samantha, Mohd Zubair, Nawab Ali, Grégory Guisbiers, and Noureen Siraj. "Tunable Cytotoxicity and Selectivity of Phosphonium Ionic Liquid with Aniline Blue Dye." Journal of Nanoscience and Nanotechnology 21, no. 12 (2021): 6143–50. http://dx.doi.org/10.1166/jnn.2021.19535.

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Ionic liquids are an interesting class of materials that have recently been utilized as chemotherapeutic agents in cancer therapy. Aniline blue, a commonly used biological staining agent, was used as a counter ion to trihexyltetradecylphosphonium, a known cytotoxic cation. A facile, single step ion exchange reaction was performed to synthesize a fluorescent ionic liquid, trihexyltetradecylphosphonium aniline blue. Aqueous nanoparticles of this hydrophobic ionic liquid were prepared using reprecipitationmethod. The newly synthesized ionic liquid and subsequent nanoparticles were characterized u

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36

Tan, Ting Feng, Bian Peng Wu, Li Gang Bai, Yan Xia Li, and Ming Jie Zhang. "Synthesis and Optical Properties of Asymmetric Naphthylmethylene 1,3,4-Oxadiazole Derivatives." Advanced Materials Research 1033-1034 (October 2014): 1109–13. http://dx.doi.org/10.4028/www.scientific.net/amr.1033-1034.1109.

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Asymmetric 2-p-nitrophenyl-5-naphthylmethylene-1,3,4-oxadiazole and 2-p-aminophenyl-5-naphthylmethylene-1,3,4-oxadiazole were synthesized and characterized by IR、1HNMR and MS analysis, and their optical properties were detected using UV-vis absorption spectroscopy and fluorescence spectroscopy. The existence of electron-withdrawing oxadiazole units causes a significant bathochromic shift of the UV absorption maximum. The largest UV-absorption peak of target compounds is in the range of 298-317 nm, and a new emission band at 402 nm is formed. The fluorescence intensity is gradually enhanced, wh

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37

A. N., Madu, Ikechukwu E. C., Anyaorie C. N., et al. "On the Synthesis, Characterization and Applications of Para-nitro Aniline-based Reactive Dye." International Research in Material and Environment 4, no. 1 (2024): 12–20. http://dx.doi.org/10.52589/irme-l78heudr.

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The dye was synthesized by nitration of aniline to para-nitro aniline, diazotization and coupling reactions. The melting point of the para-nitro aniline was taken to yield 147ºC. The result from the GC-MS shows that the compound with the highest relative abundance of 100% showed a molecular ion peak of 129.4 compounds which correspond to lower relative abundance. Also from the GC-MS result, the two peaks of masses 57.5 g and 83.4 g respectively correspond to fragments of the samples. Ultra-violet spectrophotometer was used to determine the absorption of the dye. The para-nitro aniline dye as s

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38

Prabhakar, Reetu, and Devendra Kumar. "Studies on Polyacrylate-Starch/Polyaniline Conducting Hydrogel." Current Smart Materials 4, no. 1 (2019): 36–44. http://dx.doi.org/10.2174/2405465804666190313154427.

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Background: The superabsorbent polymers based conducting hydrogel such as polyaniline impregnated polyacrylate-starch hydrogel were synthesized via two -steps interpenetrating polymer network process. In the present work instead of using a synthetic polymer of acrylamide, a biodegradable polymer such as starch has been used with polyacrylate superabsorbent polymer. The main attempt of this work is to analyze the electrical conductivity of resulting hydrogel at varying concentrations of crosslinker, initiator, monomer, and a copolymer for improving the properties of synthesized hydrogel and ela

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39

Plater, M. John. "2,6-Bis(phenylamino)-4-(iminophenyl)benzoquinone." Molbank 2022, no. 3 (2022): M1406. http://dx.doi.org/10.3390/m1406.

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The reaction of 2,4-difluoronitrobenzene with an excess of aniline at 175 °C led to the isolation of an unexpected brown quinone substituted with two phenylamino groups and one phenylimino group. This product was easily distinguished from other expected derivatives because it is brown rather than yellow. The UV/Vis has a weak long wavelength absorption at 480–600 nm accounting for the colour.

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Rathore, Jayshree, and Rajesh Kumar Pareek. "Fabrication of Photogalvanic Cell Composed with Natural and Synthetic Dyes for the Generation and Storage of Solar Power." Indian Journal Of Science And Technology 18, no. 16 (2025): 1300–1308. https://doi.org/10.17485/ijst/v18i16.628.

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Objective: To develop PG cells with improved electrical output for solar energy conversion and storage. Methods: The current generation was carried out in an H-shaped PG cell system using various solutions of ascorbic acid, aniline blue, curcumin and sodium lauryl sulphate. The following parameters have been measured at light intensity of 10.4 mWcm-2: photopotential, photocurrent, Power at power point, fill factor, conversion efficiency, and cell performance (t1/2) on the order of 802.0 mV, 920 μA, 164.70 µW, 0.1825, 1.59%, and 140 minutes, respectively. The cell's current–voltage characterist

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Kapoor, R. C., and V. Narula. "Effect of pH and surfactants on the absorption spectrum of aniline blue." Tenside Surfactants Detergents 22, no. 3 (1985): 134–35. http://dx.doi.org/10.1515/tsd-1985-220310.

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Bittmann, E., I. Alig, and D. Woermann. "Ultrasonic absorption of aniline/cyclohexane mixtures of critical and non-critical composition." Berichte der Bunsengesellschaft für physikalische Chemie 98, no. 2 (1994): 189–94. http://dx.doi.org/10.1002/bbpc.19940980209.

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Sarkar, S. K., and G. S. Kastha. "Environmental effects on the absorption and luminescence properties of aromatic amines: Aniline." Spectrochimica Acta Part A: Molecular Spectroscopy 48, no. 11-12 (1992): 1611–24. http://dx.doi.org/10.1016/0584-8539(92)80235-o.

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Sutar, Rohit B., Aasiya S. Jamadar, Susmita S. Patil, Reshma V. Khandekar, and Jyotiprakash B. Yadav. "Aniline-functionalized rGO/polyaniline hybrids: A synergistic approach for enhanced microwave absorption." Diamond and Related Materials 156 (June 2025): 112437. https://doi.org/10.1016/j.diamond.2025.112437.

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Izumi, Celly M. S., Vera R. L. Constantino, and Marcia L. A. Temperini. "Polyaniline/Layered Zirconium Phosphate Nanocomposites: Secondary-Like Doped Polyaniline Obtained by the Layer-by-Layer Technique." Journal of Nanoscience and Nanotechnology 8, no. 4 (2008): 1782–89. http://dx.doi.org/10.1166/jnn.2008.18243.

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In the present work, nanocomposites of polyaniline (PANI) and layered α-Zr(HPO4)2˙H2O (α-ZrP) were prepared using two different approaches: (i) the in situ aniline polymerization in the presence of the layered inorganic material and (ii) the layer-by-layer (LBL) assembly using an aqueous solution of the polycation emeraldine salt (ES-PANI) and a dispersion of exfoliated negative slabs of α-ZrP. These materials were characterized spectroscopically using mainly resonance Raman scattering at four exciting radiations and electronic absorption in the UV-VIS-NIR region. Structural and textural chara

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Zhu, Sipin, Zhiyong Chen, Chunying Wang, Jiahao Pan, and Xianping Luo. "Facile Synthesis with TiO2 Xerogel and Urea Enhanced Aniline Aerofloat Degradation Performance of Direct Z-Scheme Heterojunction TiO2/g-C3N4 Composite." Materials 15, no. 10 (2022): 3613. http://dx.doi.org/10.3390/ma15103613.

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Different TiO2/g-C3N4 (TCN) composites were synthesized by a simple pyrolysis method with TiO2 xerogel and urea. The structure and physicochemical properties of TCN were characterized by X-ray diffraction, scanning electron microscope, transmission electron microscope, ultraviolet-visible diffuse reflectance spectrum, X-ray photoelectron spectroscopy, N2-adsorption isotherms and electrochemical impedance spectroscopy. Aniline Aerofloat was chosen as a typical degradation-resistant contaminant to investigate the photodegradation activity of TCN under UV irradiation. The results indicated that T

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Hemdan, Sokaina, Asma Al Jebaly, and Fatma Ali. "The Impacts of Various Media on the Electronic Spectrum of Aniline Violet." Academic Journal of Research and Scientific Publishing 2, no. 24 (2021): 28–55. http://dx.doi.org/10.52132/ajrsp.e.2021.242.

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The solvent impact can be decided by Solvent polarity scales, a solvatochromic parameter that has a distinctive position of UV-Visible absorption band within the extend between 250 and 700 nm. The spectral characteristics of Aniline Violet in several solvents at room temperature were analyzed which is that the point of considering the impact of solvents on the absorption spectra of this cationic dye in organic solvent of distinctive characters. The solvent impacts on the wavenumber of the absorption band maxima (max) were talked about utilizing the taking after solvent parameters, refractive

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Alfiyani, Hani, Nurlina Nurlina, and Nelly Wahyuni. "Adsorpsi Anilin oleh Karbon Aktif Magnetik Cangkang Kelapa Sawit." ALCHEMY Jurnal Penelitian Kimia 18, no. 2 (2022): 130. http://dx.doi.org/10.20961/alchemy.18.2.53647.130-139.

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<p>Karbon aktif merupakan salah satu adsorben yang dapat dikompositkan dengan besi oksida menjadi karbon aktif magnetik (KAM) sehingga mempermudah proses pemisahannya dari dalam larutan. Penelitian ini menjelaskan kinerja KAM dalam mengadsorpsi anilin dengan menentukan isoterm dan kinetika adsorpsinya serta efektifitas sifat magnet dalam pemisahan KAM. Karbon aktif magnetik dibuat dari cangkang kelapa sawit dikarbonisasi (300 ºC, 2 jam), diaktivasi fisika (600 ºC, 30 menit), dan dilanjutkan aktivasi kimia (ZnCl<sub>2</sub> 0,05 M). Karbon aktif magnetik dibuat dengan mencampu

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Sridevi, N., C. Srilakshmi, G. Alekya, and Chandra Bala Sekharan. "Enzymatic Assay of Opioid Analgesic, Tramadol, Using Horseradish Peroxidase." International Letters of Natural Sciences 16 (May 2014): 69–84. http://dx.doi.org/10.18052/www.scipress.com/ilns.16.69.

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Three novel and sensitive enzymatic methods have been developed for the quantification of tramadol in pharmaceutical dosage forms. The proposed methods are based on the reaction of tramadol with 3-methylbenzothiazoline-2-one hydrazone (method A), aniline (method B) and aminoantipyrine in the presence of hydrogen peroxide and horseradish peroxidase to give colored complexes. The colored complexes obtained with 3-methylbenzothiazoline-2-one hydrazone, aniline and aminoantipyrine exhibit absorption maxima at 480 nm, 550 nm and 530 nm, respectively. Regression analysis of Beer’s plots showed good

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Sridevi, N., C. Srilakshmi, G. Alekya, and Chandra Bala Sekharan. "Enzymatic Assay of Opioid Analgesic, Tramadol, Using Horseradish Peroxidase." International Letters of Natural Sciences 16 (May 30, 2014): 69–84. http://dx.doi.org/10.56431/p-f9e2v2.

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Three novel and sensitive enzymatic methods have been developed for the quantification of tramadol in pharmaceutical dosage forms. The proposed methods are based on the reaction of tramadol with 3-methylbenzothiazoline-2-one hydrazone (method A), aniline (method B) and aminoantipyrine in the presence of hydrogen peroxide and horseradish peroxidase to give colored complexes. The colored complexes obtained with 3-methylbenzothiazoline-2-one hydrazone, aniline and aminoantipyrine exhibit absorption maxima at 480 nm, 550 nm and 530 nm, respectively. Regression analysis of Beer’s plots showed good

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