2631. Water quality. Physical, chemical and biochemical methods. Method for the determination of permanganate index Part 2-2.32, (31st July 1987) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (6 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2632. Water quality. Physical, chemical and biochemical methods. Method for the determination of the chemical oxygen demand Part 2.34, (31st October 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) ↗
2633. Water quality. Physical, chemical and biochemical methods. Methods for the determination of total chromium by atomic absorption spectrometry Part 2-2.38, (30th November 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) ↗
2634. Water quality. Physical, chemical and biochemical methods. Spectrometric method for the determination of nitrate using sulphosalicylic acid Part 2.36, (29th September 1989) 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) ↗
2635. Water quality. Radon-222. Test method using two-phase liquid scintillation counting Part 4, (28th July 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (26 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2636. Water quality. Sampling. Guidance on the preservation and handling of samples Part 3, (15th May 1996) 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) ↗
2637. Water quality. Technetium-99. Test method using inductively coupled plasma mass spectrometry (ICP-MS) Part 2, (10th December 2019) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (32 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2638. Welding consumables. Deposition of a weld metal pad for chemical analysis. (22nd September 2020) 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) ↗
2639. Welding consumables. Tubular cored electrodes and rods for gas shielded and non-gas shielded metal arc welding of stainless and heat-resisting steels. Classification. (12th July 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (44 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2640. Welding consumables. Tubular cored electrodes for metal arc welding with or without a gas shield of stainless and heat-resisting steels. Classification. (15th January 2000) 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) ↗