ISO 23777:2023

Current Revision
Pulps - Kraft liquor - Determination of hydrosulphide ion concentration using potentiometric titration

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ISO 23777:2023

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

PUBLISH DATE 2023
ISO 23777:2023

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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