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UOP
Standard
Withdrawn, Replaced
Last Updated: Jul 29, 2002
Track Document
UOP423-85
Thiosulfate in Used Refinery Caustic
Thiosulfate in Used Refinery Caustic
UOP423-85
UOP|UOP423-85|en-US
Thiosulfate in Used Refinery Caustic
Standard
Thiosulfate in Used Refinery Caustic>
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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.