371. Tracked Changes. Leather. Chemical determination of metal content. Total metal content Part 2, (25th November 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (42 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
372. Tracked Changes. Natural rubber latex concentrate. Determination of total phosphate content by spectrophotometric method. (16th May 2023) 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) ↗
373. Tracked Changes. Optics and photonics. Measurement of reflectance of plane surfaces and transmittance of plane parallel elements. (21st June 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (66 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
374. Tracked Changes. Steel and cast iron. Determination of copper content. Flame atomic absorption spectrometric method. (19th October 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (56 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
375. Tracked Changes. Workplace air. Guidance for the measurement of respirable crystalline silica. (7th October 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (118 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
376. UV-visible spectrophotometry of water and wastewater. (2017) Editors: Thomas, Olivier; Burgess, C (Christopher) Record Type: Book Extent: 1 online resource View Content: Available online (eLD content is only available in our Reading Rooms) ↗
377. UV-visible spectrophotometry of water and wastewater. (2022) Editors: Thomas, Olivier; Burgess, C (Christopher) Record Type: Book Extent: 1 online resource, illustrations View Content: Available online (eLD content is only available in our Reading Rooms) ↗
378. Water quality. Determination of chromium. Atomic absorption spectrometric methods. (15th January 1997) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (14 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
379. Water quality. Examination and determination of colour. (15th January 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) ↗
380. Water quality. Physical, chemical and biochemical methods. Determination of aluminium. Spectrometric method using pyrocatechol violet Part 2.49, (15th July 1995) 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) ↗