1. Fertilizers. Chemical analysis. Determination of potassium. Preparation of the test solution for determination of acid-soluble potassium content Part 4.3.2, (30th December 1983) 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. Fertilizers. Chemical analysis. Determination of potassium. Preparation of the test solution for determination of water-soluble potassium content Part 4.3.1, (30th December 1983) 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) ↗
3. Fertilizers. Physical properties. Method for the determination of bulk density (tapped) Part 3-3.2, (30th December 1983) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (5 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
4. Fertilizers. Sampling. Practical arrangements for final samples Part 2.4, (30th December 1983) 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) ↗