21. Ambient air. Determination of asbestos fibres. Indirect-transfer transmission electron microscopy method. (9th October 2019) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (90 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
22. Ambient air. Determination of mass concentration of nitrogen dioxide. Modified Griess-Saltzman method. (15th October 1998) 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) ↗
23. Ambient air. Standard gravimetric measurement method for the determination of the PM10 or PM2, 5 mass concentration of suspended particulate matter. (10th August 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (64 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
24. Ammonia solution. Methods for sampling Part 0, (31st December 1987) 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) ↗
25. Analysis of butter. Method for determination of salt content Part 5, (15th March 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) ↗
26. Analysis of formulated detergents. Methods of sample division Part 1, (30th December 1983) 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) ↗
27. Analysis of fuel gases. Methods for non-manufactured gases. Determination of sulfur compounds in natural gas. Introduction Part 11.4.1, (15th December 1994) 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) ↗
28. Analysis of instant tea. Methods of sampling Part 1, (31st August 1988) 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) ↗
29. Analytical Method for the Analysis of Propiconazole in treated Wood Samples. (31st December 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) ↗
30. Animal and vegetable fats and oils. Preparation of test sample. (15th November 1995) 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) ↗