1. Methods of sampling and test for sodium and potassium silicates for industrial use. Determination of iron content Part 9, (27th February 1981) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (8 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Methods of sampling and test for sodium hydroxide for industrial use. Determination of copper content Part 12, (27th February 1981) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (8 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Methods of sampling and test for sodium hydroxide for industrial use. Determination of iron content Part 3, (27th February 1981) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (8 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
4. Methods of sampling and test for sodium hydroxide for industrial use. Determination of silica content Part 4, (27th February 1981) 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) ↗
5. Methods of testing water used in industry. Lithium: flame photometric method Part 125, (30th June 1981) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (2 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
6. Methods of testing water used in industry. Potassium: flame photometric method Part 124, (30th June 1981) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (2 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗