1. Plastics. Phenolic resins. Determination of hexamethylenetetramine content. Kjeldahl method and perchloric acid method. (15th June 1997) 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) ↗
2. 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) ↗
3. Microchemical analysis. Apparatus for the determination of elements by other than combustion methods. Specification for nitrogen determination apparatus (micro-Kjeldahl) Part B1, (15th June 1964) 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) ↗
4. Microchemical apparatus. Apparatus for the determination of elements by other than combustion methods. Specification for nitrogen determination apparatus (non-transference micro-Kjeldahl) Part B3, (15th June 1964) 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. Methods for chemical analysis of condensed milks. Determination of nitrogen content. Reference method Part 5.1, (31st July 1991) 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. Sludge, treated biowaste and soil. Determination of Kjeldahl nitrogen. (30th September 2012) 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 of test for meat and meat products. Determination of nitrogen content (reference method) Part 2, (31st July 1980) 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. Microchemical analysis. Apparatus for the determination of elements by other than combustion methods. Specification for ammonia distillation apparatus (Markham) Part B2, (29th February 1960) 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) ↗
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. Recommendations for the detection and estimation of nitrogenous treating agents in paper. (28th October 1969) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (18 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗