Rapid Titrimetric Determination of Sulfate in Mixtures of Gypsum, Anhydrite, Calcium Oxide, and Calcium Sulfide Using Ion Exchange.
Author(s) -
Lanny Arnold Robbins,
T.D. Wheelock
Publication year - 1964
Publication title -
analytical chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.117
H-Index - 332
eISSN - 1520-6882
pISSN - 0003-2700
DOI - 10.1021/ac60208a058
Subject(s) - chemistry , anhydrite , calcium , gypsum , calcium oxide , sulfate , sulfide , ion exchange , inorganic chemistry , chromatography , ion , metallurgy , organic chemistry , materials science
The conventicnal sulfate determination by gravimetrically precipitating barium sulfate is very tedious and time consuming. The present technique uses an ion exchanger so the sulfate can be titrimetrically determined as sulfuric acid. An analysis can be completed in 30 minutes. This method is being used for the routine analysis of sulfate in mixtures of gypsum, anhydrite, calcium oxide, and calcium sulfide. The mixturrs are produced from laboratory and pilot plant investigations on the i
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