1. Soil analysis. Method for determination of coal tar-derived phenolic compounds Part 2, (15th April 2000) 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 of testing water used in industry. Reactive aluminium: spectrophotometric method (catechol violet) Part 106, (29th June 1979) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (4 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗