ISO-23777 › Pulps - Kraft liquor - Determination of hydrosulphide ion concentration using potentiometric titration

ISO-23777 - 1ST EDITION - CURRENT


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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.

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Document Number

ISO 23777:2023

Revision Level

1ST EDITION

Status

Current

Publication Date

March 1, 2023

Committee Number

ISO/TC 6