Interaction of Natural Dye (Allium cepa) with Ionic Surfactants | Zendy

Shalini Chandravanshi | Zendy; Santosh Kumar Upadhyay | Zendy

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Interaction of Natural Dye (Allium cepa) with Ionic Surfactants

Author(s) -

Shalini Chandravanshi,

Santosh Kumar Upadhyay

Publication year - 2012

Publication title -

journal of chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.436

H-Index - 50

eISSN - 2090-9063

pISSN - 2090-9071

DOI - 10.1155/2013/685679

Subject(s) - chemistry , pulmonary surfactant , allium , cationic polymerization , bromide , ionic bonding , adsorption , surface tension , electrostatic interaction , inorganic chemistry , nuclear chemistry , chromatography , chemical engineering , organic chemistry , ion , thermodynamics , botany , biology , biochemistry , physics , chemical physics , engineering

Allium cepa is a natural dye that has been extracted from onion skin with the help of soxhlet apparatus. The pigment in the dye pelargonidin was found to be 2.25%. The interaction of the dye with ionic surfactants, namely, cationic surfactant (cetyltrimethylammonium bromide) and anionic (sodium lauryl sulphate) has been studied by spectrophotometrically, conductivity, and surface tension measurements. The thermodynamic and surface parameters have been evaluated for the interaction process. The results indicate {surfactant-dye} complex formation and domination of adsorption in comparison to micellization

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