Pulps — Determination of lignin content — Acid hydrolysis method (ISO 21436:2020, IDT)
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SS-ISO 21436:2021
Pulps — Determination of lignin content — Acid hydrolysis method (ISO 21436:2020, IDT)
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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.
Pulps — Determination of lignin content — Acid hydrolysis method (ISO 21436:2020, IDT)
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