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ISO 23772:2023

ISO 23772:2023 Pulps – Kraft liquor – Determination of residual alkali using potentiometric titration

CDN $131.00

Description

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 ‚â• 11,0.

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

Edition

1

Published Date

2023-03-10

Status

PUBLISHED

Pages

7

Language Detail Icon

English

Format Secure Icon

Secure PDF

Abstract

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 ‚â• 11,0.

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

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