Standard Swedish standard · SS-ISO 23777:2023

Pulps - Kraft liquor - Determination of hydrosulphide ion concentration using potentiometric titration (ISO 23777:2023, IDT)

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Standard Swedish standard · SS-ISO 23777:2023

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Scope

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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Paper production processes (85.020) Pulps (85.040)

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Pulps - Kraft liquor - Determination of hydrosulphide ion concentration using potentiometric titration (ISO 23777:2023, IDT)

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