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Nonaqueous titrimetric analysis of sulfuric and alkylbenzene sulfonic acids in detergent intermediates
Author(s) -
Yamaguchi Shinichiro,
Nukui Shozo,
Kubo Mitsugi,
Konishi Kazuo
Publication year - 1978
Publication title -
journal of the american oil chemists' society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.512
H-Index - 117
eISSN - 1558-9331
pISSN - 0003-021X
DOI - 10.1007/bf02669930
Subject(s) - titration , sulfuric acid , chemistry , sulfonic acid , cyclohexylamine , titration curve , inorganic chemistry , chromatography , organic chemistry
Abstract A single differential nonaqueous titration method is presented for the analysis of sulfuric and alkylbenzene sulfonic acids in a detergent intermediate material. The organic and sulfuric acids in the sample were quantitatively titrated potentiometrically with standard cyclohexylamine solution. With certain specified sample compositions, approximate sulfuric acid determinations may be made without sample weighing or the use of standardized titrant. The titration is based upon the ratio of the first and second end points of the differential titration curve. Because of its simplicity, the latter method adaption is especially useful for routine control type analyses.

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