ASTM UOP953-97
Sulfate and Thiosulfate in Caustic Aqueous Solutions by Ion Chromatography

Standard No.

ASTM UOP953-97

Release Date

2002

Published By

American Society for Testing and Materials (ASTM)

Status

Be replaced

Replace By

ASTM UOP953-13

Latest

ASTM UOP953-13

Scope

This method is for determining levels of sulfate and thiosulfate in aqueous, spent caustic, process streams by Ion Chromatography (IC). The method yields quantitative results in the range of 0.0045 to 6 mass-% for each analyte.

ASTM UOP953-97 history

• 2013 ASTM UOP953-13 Sulfate and Thiosulfate in Caustic Aqueous Solutions by Ion Chromatography
• 2002 ASTM UOP953-97 Sulfate and Thiosulfate in Caustic Aqueous Solutions by Ion Chromatography