1. Analysis of aluminium ores. Chemical methods. Method for determination of phosphorus content: spectrophotometric method Part 2.8, (28th August 1987) 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) ↗
2. Analysis of higher purity copper cathode Cu-CATH 1. Methods for determination of phosphorus and silicon by spectrophotometry Part 6, (27th February 1987) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (9 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Analysis of iron ores. Methods for the determination of phosphorus content. Molybdenum blue spectrophotometric method Part 6.2, (15th October 1993) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (14 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
4. Analysis of iron ores. Methods for the determination of phosphorus content. Titrimetric method Part 6.1, (31st January 1989) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (14 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
5. Argus NPKs. (10th August 2023) Other Names: Argus Media (Agency), issuing body. Record Type: Journal Issue Extent: Illustrations (black and white, and colour) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
6. Argus NPKs. (10th December 2020) Other Names: Argus Media (Agency), issuing body. Record Type: Journal Issue Extent: Illustrations (black and white, and colour) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
7. Argus NPKs. (10th February 2022) Other Names: Argus Media (Agency), issuing body. Record Type: Journal Issue Extent: Illustrations (black and white, and colour) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
8. Argus NPKs. (10th January 2019) Other Names: Argus Media (Agency), issuing body. Record Type: Journal Issue Extent: Illustrations (black and white, and colour) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
9. Argus NPKs. (10th June 2021) Other Names: Argus Media (Agency), issuing body. Record Type: Journal Issue Extent: Illustrations (black and white, and colour) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
10. Argus NPKs. (10th March 2022) Other Names: Argus Media (Agency), issuing body. Record Type: Journal Issue Extent: Illustrations (black and white, and colour) View Content: Available online (eLD content is only available in our Reading Rooms) ↗