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Homepage>BS ISO 21436:2020 Pulps. Determination of lignin content. Acid hydrolysis method

BS ISO 21436:2020

Pulps. Determination of lignin content. Acid hydrolysis method

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Označení normy:	BS ISO 21436:2020
Počet stran:	22
Vydáno:	2020-12-09
ISBN:	978 0 580 94703 2
Status:	Standard

DESCRIPTION

BS ISO 21436:2020

This standard BS ISO 21436:2020 Pulps. Determination of lignin content. Acid hydrolysis method is classified in these ICS categories:

85.040 Pulps

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.

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