2621. Water quality. Physical, chemical and biochemical methods. Determination of pH Part 2.50, (15th August 1995) 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) ↗
2622. Water quality. Physical, chemical and biochemical methods. Determination of selenium by atomic absorption spectrometry Part 2.45, (15th November 1993) 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) ↗
2623. Water quality. Physical, chemical and biochemical methods. Determination of sodium and potassium: determination of potassium by atomic absorption spectrometry Part 2.43, (15th September 1993) 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) ↗
2624. Water quality. Physical, chemical and biochemical methods. Determination of sodium and potassium: determination of sodium by atomic absorption spectrometry Part 2.42, (15th September 1993) 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) ↗
2625. 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) ↗
2626. Water quality. Physical, chemical and biochemical methods. Determination of turbidity Part 2-2.13, (31st December 1984) 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) ↗
2627. Water quality. Physical, chemical and biochemical methods. Method for determination of manganese: formaldoxime spectrometric method Part 2.31, (30th June 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) ↗
2628. Water quality. Physical, chemical and biochemical methods. Method for the determination of anionic surfactants by the methylene blue spectrometric method Part 2-2.23, (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) ↗
2629. Water quality. Physical, chemical and biochemical methods. Method for the determination of borate by spectrometry using azomethine-H Part 2.40, (28th June 1991) 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) ↗
2630. Water quality. Physical, chemical and biochemical methods. Method for the determination of chloride via a silver nitrate titration with chromate indicator (Mohr's method) Part 2.37, (30th September 1990) 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) ↗