31. Specification for shellac varnish for aeronautical purposes. (31st August 1984) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (4 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
32. Testing corrosion inhibiting, engine coolant concentrate ('antifreeze'). Methods of test for corrosion inhibition performance. General procedures Part 2.1, (28th June 1985) 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) ↗
33. Tracked Changes. Environmental solid matrices. Determination of total dissolved solids (TDS) in water and eluates. (13th October 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) ↗
34. Water quality. Determination of suspended solids. Method by filtration through glass fibre filters. (15th September 1996) 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) ↗