11. Tracked Changes. Brown coals and lignites. Determination of the volatile matter in the analysis sample. Two-furnace method Part 1, (12th January 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (40 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
12. Tracked Changes. Brown coals and lignites. Determination of true relative density and apparent relative density. (13th January 2022) 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) ↗
13. Tracked Changes. Brown coals and lignites. Determination of yield of benzene-soluble extract. Semi-automatic method. (12th January 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (28 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗