1. Methods of sampling and test for aqueous hydrofluoric acid for industrial use. (30th October 1981) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (8 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Reagents for chemical analysis. Specifications (second series) Part 3, (30th March 1990) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (110 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗