This document describes a procedure for the determination of sulphide, i.e. the hydrosulphide ion concentration, in white, oxidized white and green liquors, as well as in black liquor having a dry matter content up to 40 %. The determination also includes the sulphide part of any polysulphide present in the solution.
Status: PublishedPublication date: 2023-03
Edition: 1Number of pages: 8
Technical Committee: ISO/TC 6 Paper, board and pulps
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