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  4. Standard "UOP 423-85"
WITHDRAWN UOP 423-85 29.7.2002 preview

Preview of the standard

UOP 423-85

Thiosulfate in Used Refinery Caustic



STANDARD published on 29.7.2002


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The information about the standard:

Designation standards: UOP 423-85
Note: WITHDRAWN
Publication date standards: 29.7.2002
SKU: NS-574778
The number of pages: 3
Approximate weight : 9 g (0.02 lbs)
Country: American technical standard
Category: Technical standards UOP

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Preview of the standard UOP 423-85

 
1. Scope

This method is for determining thiosulfate ion, S2O3=, in the range of 0.01 to 5 mass-% in used refinery caustic, which may contain sodium salts or phenols, acid oils, naphthenic acids, mercaptans, disulfide oil, Merox catalyst, polysulfides and/or hydrogen sulfide.
 

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