Објављен
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.
ОБЈАВЉЕН
ISO 21436:2020
90.60
Завршетак поступка преиспитивања стандарда
5. 3. 2026.