271. Specification for respiratory protective devices: self-contained open-circuit compressed air breathing apparatus. (30th June 1988) 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) ↗
272. Specification for test sieves for cereals. (29th July 1988) 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) ↗
273. Starch and derived products. Heavy metals content. Determination of cadmium content by atomic absorption spectrometry with electrothermal atomization Part 4, (15th May 1997) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (14 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
274. Starch and derived products. Heavy metals content. Determination of mercury content by atomic absorption spectrometry Part 2, (15th May 1997) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (14 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
275. Statistical methods for use in proficiency testing by interlaboratory comparison. (31st October 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (104 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
276. Supporting document to ENV 1613:1994. Messages for exchange of laboratory information. (15th October 1998) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (378 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
277. Susceptibility testing of infectious agents and evaluation of performance of antimicrobial susceptibility test devices. Broth micro-dilution reference method for testing the in vitro activity of antimicrobial agents against rapidly growing aerobic bacteria involved in infectious diseases Part 1, (7th July 2020) 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) ↗
278. Tennis rackets. Racket components and physical parameters. (15th November 1995) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (16 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
279. Testing aggregates. Method for determination of water-soluble chloride salts Part 117, (30th June 1988) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (14 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
280. Testing concrete. Methods for mixing and sampling fresh concrete in the laboratory Part 125, (31st October 1986) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (10 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗