ASTM-UOP210 Historical Revision Information
Caustic Solution Analysis - Double Indicator

ASTM-UOP210 - WITHDRAWN - CANCELLED
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Caustic Solution Analysis - Double Indicator
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Scope

This method is a convenient, though not rigorous, test for the plant control of refinery caustic solutions used to remove hydrogen sulfide, mercaptans and certain other weak acids from petroleum products. The method is also applicable to Merox circulating caustic. The results are significant only when correlated with plant experience.

While the Double Indicator Procedure may be a convenient procedure to use, a potentiometric procedure is more accurate and can distinguish between strong bases; i.e., sodium phenolate and sodium hydroxide. See UOP Method 209.

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Document Number

ASTM-UOP210

Revision Level

WITHDRAWN

Status

Cancelled

Modification Type

New

Publication Date

Jan. 1, 2019

Document Type

UOP