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Bulletin of Pure and Applied Sciences-Chemistry (Started in 1982)
eISSN: 2320-320X
pISSN: 0970-4620
Impact Factor: 6.991 (2018)
DOI: 10.5958/2320-320X
Editor-in-Chief:  Dr. Pruthviraj. R.D.
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Article Details

Bulletin of Pure and Applied Sciences-Chemistry (Started in 1982)
Year : 2019, Volume & Issue : BPAS-Chemistry 38C(2), JUL-DEC 2019
Page No. : 115-127, Article Type : Original Aticle
Article DOI : 10.5958/2320-320X.2019.00019.0 (Received on 10.08.2018 Accepted on 20.07.2019)

Surface tension investigation of ternary system: Copper surfactants - 2-amino-6-chloro benzothiazole complex, benzene and methanol at 311 K

Arun Kumar Sharma1* Rashmi Sharma2 Antima Gangwal3
Author’s Affiliation : 1Department of Chemistry, Govt. P.G. College, Jhalawar-326001, Rajasthan, India 2Department of Chemistry, S.P.C. Govt. College, Ajmer-305001 Rajasthan, India 3Department of Chemistry, S.P.C. Govt. College, Ajmer-305001 Rajasthan, India

Corresponding Author : Arun Kumar Sharma, Department of Chemistry, Govt. P.G. College, Jhalawar-326001, Rajasthan, India,
E-Mail:-[email protected]


Abstract

Colloidal and micellar characterization of Cu (II) soap complex solutions in benzene + methanol mixture has been studied and analysed by measuring density and surface tension parameters. This study confirms that CMC values depend upon solvent mixture composition and it is observed that CMC decrease with increase in chain length of copper surfactant (caprylate, caprate and laurate). It has also been affected by the polarity of the solvents as non- polar benzene and polar methanol were taken to analyze this effect. Szyszkowski’s empirical equation has been successfully applied to our referred system and it is found that the change in the behaviour of copper surfactant complex carried out at definite concentrations in different compositions of solvent mixture. It is also observed that the parachore of soaps solution increases with the mole fraction of the copper surfactant complex. The results show that there is justification in applying Hammic and Andrew’s equation to these complex solutions in benzene methanol mixtures.

Keywords

Surfactants, Caprylate, Caprate, laurate, 2-amino, 6-chloro benzothiazole.
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