Evidence of molecular complex formation between asphaltene and o-chloranil in aqueous micellar medium: A spectrophotometric study

Paromita Chaudhuri; Ashish Kumar Ghosh; Sujit S. Panja

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Evidence of molecular complex formation between asphaltene and o-chloranil in aqueous micellar medium: A spectrophotometric study

机译：水胶束介质中沥青质与邻氯腈之间分子复合物形成的证据：分光光度法研究

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The spectral (both absorption and steady-state fluorescence) studies of interaction of asphaltene with o-chloranil have been carried out in aqueous micellar media of cationic cetyl trimethyl ammonium bromide (CTAB), and neutral triton X-100 (TX-100). Spectroscopic results indicate formation of a complex between asphaltene and o-chloranil. The fluorescence band positions of the complexes are identical in both the medium. The absorption spectrum of the complex has been detected by difference spectral method. The position of maximum absorption of the complex in these micellar media have been compared and found in the order of SDS > CTAB > TX-100. The formation constant (K) has been determined using Bene-si-Hildebrand equation utilizing absorption spectral data. Formation of ground state complex involving asphaltene and o-chloranil has also been observed from the study of quenching of asphaltene fluorescence by o-chloranil. The value of K, as obtained by Stern-Volmer plot, agrees well with that obtained by absorption spectrophotometric method.

机译：在阳离子十六烷基三甲基溴化铵（CTAB）和中性tri子X-100（TX-100）的水性胶束介质中，进行了沥青质与邻氯苯甲酸酯相互作用的光谱（吸收和稳态荧光）研究。光谱结果表明在沥青质和邻氯苯甲醚之间形成复合物。在两种介质中，复合物的荧光带位置均相同。络合物的吸收光谱已通过差光谱法检测。比较了这些胶束介质中复合物最大吸收的位置，并发现其顺序为SDS> CTAB> TX-100。使用吸收光谱数据，使用Bene-si-Hildebrand方程确定了形成常数（K）。从邻氯苯醌猝灭沥青质荧光的研究中，也观察到了涉及沥青质和邻氯苯胺的基态复合物的形成。通过Stern-Volmer图获得的K值与通过吸收分光光度法获得的值非常吻合。

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来源
《Fuel》 |2013年第10期|466-472|共7页
作者
Paromita Chaudhuri; Ashish Kumar Ghosh; Sujit S. Panja;
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作者单位

Department of Chemistry, NIT, Durgapur 713 209, West Bengal, India;

Central Institute of Mining and Fuel Research, Dhanbad 828 108, Jharkhand, India;

Department of Chemistry, NIT, Durgapur 713 209, West Bengal, India;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类
关键词
Asphaltene; Absorption; Fluorescence; CTAB; TX-100;

机译：沥青质吸收荧光;CTAB;TX-100;

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1. Electronic Spectroscopic Study of the Formation of a Molecular Complex Between Asphaltene and o-Chloranil in SDS Aqueous Micellar Medium [J] . Chaudhuri P., Ghosh A.K., Bagchi S. Journal of Dispersion Science and Technology . 2012,第10a12期

机译：SDS胶束介质中沥青质与邻氯腈分子复合物形成的电子光谱研究
2. Electronic Spectroscopic Study of the Formation of a Molecular Complex Between Asphaltene and o-Chloranil in SDS Aqueous Micellar Medium [J] . Paromita Chaudhuria Ashish Kumar Ghoshb*, Sanjib Bagchic Journal of Dispersion Science and Technology . 2012,第10期

机译：SDS胶束介质中沥青质与邻氯腈分子复合物形成的电子光谱研究
3. Spectrophotometric study of molecular complex formation of asphaltene with two isomeric chloranils [J] . A. K. Ghosh Fuel . 2005,第2a3期

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Evidence of molecular complex formation between asphaltene and o-chloranil in aqueous micellar medium: A spectrophotometric study

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