ASTM International - ASTM UOP953-13
Sulfate and Thiosulfate in Caustic Aqueous Solutions by Ion Chromatography
|Publication Date:||1 September 2013|
This method is for determining levels of sulfate and thiosulfate in aqueous, spent caustic, process streams by ion chromatography (IC). The range of quantitation for sulfate and thiosulfate is 0.004 to 5 mass-%.