1. BS EN 1302. Chemicals used for treatment of water intended for human consumption. Aluminium-based coagulants. Analytical methods. (25th May 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (58 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. BS EN ISO 3262-17. Extenders. Specifications and methods of test. Part 17. Precipitated calcium silicate (14th March 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (17 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Extenders. Specifications and methods of test. Precipitated sodium aluminium silicate Part 18, (7th August 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (20 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
4. Tracked Changes. Extenders. Specifications and methods of test. Precipitated sodium aluminium silicate Part 18, (6th September 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (50 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗