Publikuar
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.
Revises
ISO 699:1982
PUBLISHED
ISO 699:2015
90.93
Standard confirmed
4 shk 2021
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