1031. 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) ↗
1032. 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) ↗
1033. 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) ↗
1034. 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) ↗
1035. 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) ↗
1036. 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) ↗
1037. 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) ↗
1038. Wheat flour and durum wheat semolina. Determination of impurities of animal origin. (17th April 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (22 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
1039. Wood preservation using coal tar creosotes. Specification for preservative Part 1, (30th April 1990) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (24 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
1040. Wood preservatives. Creosote and creosoted timber. Methods of sampling and analysis. Determination of the benzo(a )pyrene content of creosote Part 3, (15th February 1996) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (15 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗