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

Published (Edition 1, 2023)

ISO 23772:2023

CHF 63

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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 ≥ 11,0.

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

General information

Status
: Published

Publication date
: 2023-03

Stage
: International Standard published [60.60]
Edition
: 1

Number of pages
: 7
Technical Committee :
ISO/TC 6

ICS :
85.040
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Life cycle

Now

Published

ISO 23772:2023
Stage: 60.60

This standard contributes to the following Sustainable Development Goals

Clean Water and Sanitation

Affordable and Clean Energy

Industry, Innovation and Infrastructure

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