1. Methods for chemical analysis of tobacco and tobacco products. Determination of silica content Part 1, (31st July 1975) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (10 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Methods for sampling and testing gelatine (physical and chemical methods). (31st July 1975) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (34 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗