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ISO 9795:2023

Lignins — Determination of inorganics content in kraft lignin, soda lignin and hydrolysis lignin

Dec 18, 2023

General information

60.60     Dec 18, 2023

ISO

ISO/TC 6

International Standard

85.040  

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Scope

This method describes procedures for the determination of inorganics content in kraft, soda, and hydrolysis lignin. The method is applicable to lignin isolated from a kraft pulping process, a soda pulping process, or lignin obtained by hydrolysis of biomass.
For kraft lignin in the acid form, soda lignin, and hydrolysis lignin, the inorganics content is determined from the ash content of the sample. For kraft lignin in the base form, the inorganics content is determined from the sum of the contents of calcium, magnesium, manganese, iron, copper, sodium and potassium.

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PUBLISHED
ISO 9795:2023
60.60 Standard published
Dec 18, 2023