11. Rubber latices. Methods of test. Determination of boric acid content of natural rubber latex concentrate Part 3.12, (15th August 1992) 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) ↗
12. Specification for boric acid and boric oxide, technical grades. (30th June 1980) 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) ↗
13. Specification for photographic grade boric acid. (28th April 1978) 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) ↗