
Pulps — Determination of lignin content — Acid hydrolysis method
NORMA vydaná dňa 8.12.2020
Označenie normy: ISO 21436:2020
Dátum vydania normy: 8.12.2020
Počet strán: 12
Približná hmotnosť: 36 g (0.08 libier)
Krajina: Medzinárodná technická norma
Kategória: Technické normy ISO
Description / 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.