81. Tracked Changes. Iron ores. Determination of sulfur content. Barium sulfate gravimetric method Part 1, (13th April 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (50 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
82. Tracked Changes. Jewellery and precious metals. Determination of palladium. Gravimetry using dimethylglyoxime. (13th March 2023) 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) ↗
83. Tracked Changes. Jewellery and precious metals. Determination of platinum. Gravimetry using ammonium chloride. (8th June 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (36 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
84. 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) ↗