21. Methods of test for potassium hydroxide. (29th December 1978) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (34 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
22. Trace metal contents of pulps. Method for determination of calcium content by edta titrimetric and flame atomic absorption spectrometric methods Part 1, (29th July 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) ↗
23. Methods of sampling and test for sodium hydroxide for industrial use. Determination of calcium and magnesium contents Part 9, (27th February 1981) 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) ↗
24. Water quality. Physical, chemical and biochemical methods. Determination of the sum of calcium and magnesium: EDTA titrimetric method Part 2.9, (31st December 1984) 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) ↗
25. Methods of test for orthoboric acid (boric acid), diboron trioxide (boric oxide), disodium tetraborates, sodium perborates and crude sodium borates for industrial use. Determination of total and alkali-soluble calcium and magnesium contents of crude sodium borates (flame atomic absorption spectrometric method) Part 28, (31st July 1986) 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) ↗
26. Methods for analysis of animal feeding stuffs. Determination of calcium by titration Part 11, (28th November 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) ↗
27. Quicklime, hydrated lime and natural calcium carbonate. Methods of test for physical properties of quicklime Part 3, (30th October 1987) 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) ↗
28. Sampling and analysis of iron, steel and other ferrous metals. Methods of analysis. Determination of calcium. Steel: flame atomic absorption spectrometric method Part 3.7.1, (31st July 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) ↗
29. Methods of test for orthoboric acid (boric acid), diboron trioxide (boric oxide), disodium tetraborates, sodium perborates and crude sodium borates for industrial use. Determination of total and alkali-soluble calcium and magnesium contents of crude sodium borates (titrimetric method) Part 29, (31st July 1986) 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) ↗
30. Methods of test for aluminium oxide. Determination of calcium content Part 14, (31st October 1990) 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) ↗