International Standard
ISO 21436:2020
Pulps — Determination of lignin content — Acid hydrolysis method
Reference number
ISO 21436:2020
ISO 21436:2020
Edition 1
2020-12
2020-12
© ISO 2024
International Standard
Abstract
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
Got a question?
Check out our FAQs
Customer care
+41 22 749 08 88
Opening hours:
Monday to Friday - 09:00-12:00, 14:00-17:00 (UTC+1)