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SSH ISO 23772:2023

Pulps Kraft liquor Determination of residual alkali using potentiometric titration

Jun 7, 2024

General information

60.60     Jun 7, 2024

95.99   

DPS

DPS/KT 172

International Standard

85.040  

English  

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Scope

This document describes a procedure for determining the content of residual alkali in Kraft black liquors having a dry matter content up to 40 %.

The method is based on a potentiometric titration with hydrochloric acid and is intended for black liquor samples with an initial pH ≥ 11,0.

The lower limit of determination is 0,1 g/l of eq. NaOH.

Life cycle

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PUBLISHED
SSH ISO 23772:2023
60.60 Standard published
Jun 7, 2024

Related project

Adopted from ISO 23772:2023