181. BS EN 896. Chemicals used for treatment of water intended for human consumption. Sodium hydroxide. (28th May 2020) 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) ↗
182. Medical electrical equipment. Particular requirements for basic safety and essential performance of clinical thermometers for body temperature measurement Part 2-56, (12th May 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (68 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
183. BS EN 15030. Chemicals used for treatment of water intended for human consumption. Silver salts for intermittent use. (27th May 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) ↗
184. BS EN 15076. Chemicals used for treatment of swimming pool water. Sodium hydroxide. (23rd June 2020) 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) ↗
185. BS EN 12123. Chemicals used for treatment of water intended for human consumption. Ammonium sulfate. (28th May 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (19 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
186. BS EN 1421. Chemicals used for treatment of water intended for human consumption. Ammonium chloride. (4th June 2020) 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) ↗
187. Soil quality. Measurement of enzyme activity patterns in soil samples using colorimetric substrates in micro-well plates. (29th May 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (38 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
188. BS EN 15031. Chemicals used for treatment of swimming pool water. Aluminium based coagulants. (28th May 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (30 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
189. BS EN 15028. Chemicals used for treatment of water intended for human consumption. Sodium chlorate. (28th May 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (23 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
190. Marine energy. Wave, tidal and other water current converters. Vocabulary Part 1, (23rd June 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (20 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗