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ISO 21436:2020

Pulps — Determination of lignin content — Acid hydrolysis method

General information
Valid from 08.12.2020
ICS Groups
85.040 Pulps
Directives or regulations
None
Standard history
Status
Date
Type
Name
08.12.2020
Main
The method is applicable to unbleached, bleached and semi-bleached wood pulp with a lignin content above 1 %. It is not generally intended for fully bleached chemical pulp, because the lignin content in these pulps is too low to be determined accurately.
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Standard monitoring