1. BS ISO 21436. Pulps. Determination of lignin content. Acid hydrolysis method. (20th December 2019) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (19 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. BS ISO 21437. Pulps. Determination of carbohydrate composition. (20th December 2019) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (21 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Pulps. Determination of lignin content. Acid hydrolysis method. (9th December 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (22 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
4. Pulps. Determination of carbohydrate composition. (9th December 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (24 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗