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immediate downloadReleased: 2020-12-08
ISO 21436:2020
ISO 21436:2020 - Pulps — Determination of lignin content — Acid hydrolysis method
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| Standard´s number: | ISO 21436:2020 |
| Edition: | 1 |
| Released: | 2020-12-08 |
| Pages (English): | 12 |
DESCRIPTION
ISO 21436:2020
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.