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ISO 699:2015

Pulps — Determination of alkali resistance ISO 699:2015

Publication date:   Apr 2, 2015

General information

90.93   Standard confirmed   Jun 5, 2026

ISO

ISO/TC 6 Paper, board and pulps

International Standard

85.040   Pulps

Buying

Published

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Scope

ISO 699:2015 specifies a method for the determination of the alkali-insoluble fraction of pulps using sodium hydroxide solution of fixed concentration. The sodium hydroxide concentrations most frequently used are 18, 10, and 5 % (m/m).
The method is applicable to all kinds of pulp.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 699:1982

NOW

PUBLISHED
ISO 699:2015
90.93 Standard confirmed
Jun 5, 2026




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