UOP 423

$172.00

Thiosulfate in Used Refinery Caustic

Published by	Publication Date	Number of Pages
UOP	01/01/1985	3

Category: UOP

Description

Description

UOP 423 – Thiosulfate in Used Refinery Caustic

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.