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Caustic Solutions Analysis - Liberation Method
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Caustic Solutions Analysis - Liberation Method
Scope
This method is for plant control analysis of used refinery caustic solutions. It is especially useful for solutions containing Merox catalyst used for the extraction or sweetening of mercaptans. Two characteristics of a used caustic solution are determined; namely, total alkalinity and the caustic consumed by the presence of mercaptan. Free sulfur and polysulfide sulfur may interfere with the test. Hydrogen sulfide does not interfere.
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Document Number
ASTM-UOP211
Revision Level
WITHDRAWN
Status
Cancelled
Modification Type
Withdrawn
Publication Date
Jan. 1, 2019
Document Type
UOP