BSI 19/30343659 DC:2019 Edition
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BS ISO 21436. Pulps. Determination of lignin content. Acid hydrolysis method
Published By | Publication Date | Number of Pages |
BSI | 2019 | 19 |
The method is applicable to unbleached, bleached and semi-bleached 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.