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ISO 23772:2023
ISO 23772:2023 Pulps – Kraft liquor – Determination of residual alkali using potentiometric titration
CDN $115.00
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
English
Format
Secure PDF
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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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