ASTM-UOP211 Historical Revision Information
Caustic Solutions Analysis - Liberation Method

ASTM-UOP211 - WITHDRAWN - CANCELLED
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Caustic Solutions Analysis - Liberation Method
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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WITHDRAWN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Withdrawn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