M00005308
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ISO 699:2015 Pulps - Determination of alkali resistance
standard by International Organization for Standardization, 04/01/2015
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Availability date: 2021-11-25
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.