1. Analysis of formulated detergents. Quantitative test methods Part 3.8, (30th September 1986) 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. BS ISO 937. Meat and meat products. Determination of nitrogen content. Reference method. (7th September 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (15 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Chemical tests for raw and vulcanized rubber. Determination of nitrogen content Part 21, (15th June 1996) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (20 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
4. Chemical tests for raw and vulcanized rubber. Determination of nitrogen content Part 21, (30th September 1990) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (16 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
5. Fruit and vegetable juices. Determination of nitrogen content. Kjeldahl method. (15th February 1998) 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) ↗
6. Meat and meat products. Determination of nitrogen content. Reference method. (30th August 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (16 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
7. Methods for analysis and testing of coal and coke. Ultimate analysis of coal and coke. Determination of nitrogen content Part 106.2, (15th January 1997) 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) ↗
8. Methods for analysis of animal feeding stuffs. Determination of nitrogen content and calculation of crude protein content Part 4, (15th February 1998) 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) ↗
9. Methods for analysis of animal feeding stuffs. Determination of nitrogen content and calculation of crude protein content Part 4, (31st August 1981) 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) ↗
10. Methods for chemical analysis of cheese. Determination of nitrogen content (reference method) Part 8, (30th January 1987) 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) ↗