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ISO 21436:2020

Pulps — Determination of lignin content — Acid hydrolysis method

Dec 8, 2020

General information

90.60     Mar 5, 2026

ISO

ISO/TC 6

International Standard

85.040  

English  

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Published

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Scope

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.

Life cycle

NOW

PUBLISHED
ISO 21436:2020
90.60 Close of review
Mar 5, 2026

National adoptions

SSH ISO 21436:2020  
DPS

Pulps — Determination of lignin content — Acid hydrolysis method

60.60 Standard published

DPS/KT 172 more