Phone: (011) 7541-421, 3409-301, 3409-335, 6547-293, 3409-310
E-mail: Standards sales: prodaja@iss.rs Education: iss-edukacija@iss.rs Information about standards: infocentar@iss.rs
Stevana Brakusa 2, 11030 Beograd
Main menu

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  

Buying

Published

Language in which you want to receive the document.

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