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Analysis and Identification of two Soaps by Infrared Absorption Spectra and Reflectance Graphs

Author by: Chryssou K*

Article Type: Research Article

Published: December, 2019

DOI: 10.31031/ACSR.2019.01.000523

Journal Name: Annals of Chemical Science Research

Abstract: Two soap bars one green and another white green were analyzed, and their total fatty matter content, unsaponifiable, un-saponified and un-saponified saponifiable matter content, ethanol-insoluble matter, and free caustic alkali content were determined. The infrared spectra of total lipids, unsaponifiable fats, and insoluble matter in ethanol, were recorded for the two soaps. The Kubelka-Munk K/S values were calculated using the expression depended on reflectivity R͚ of the observed soap’s surface, as well as the CIE L*a*b* values for both soaps.

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