1. BS EN 15482. Chemicals used for treatment of water intended for human consumption. Sodium permanganate. (21st May 2020) 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. Reagents for chemical analysis. Specifications (first series) Part 2, (31st August 1984) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (66 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Water quality. Determination of permanganate index. (15th May 1995) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (12 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗