41. Metallic materials. Rockwell hardness test. Calibration of reference blocks (scales A, B, C, D, E, F, G, H, K, N, T) Part 3, (15th November 1999) 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) ↗
42. Materials and articles in contact with foodstuffs. Plastics substances subject to limitation. Determination of 1, 3-butadiene in plastics Part 4, (15th June 1999) 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) ↗
43. Products and systems for the protection and repair of concrete structures. Test methods. Measurement of bond strength by pull-off. (15th August 1999) 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) ↗
44. Determination of the permanent filtration of X-ray tube assemblies. (15th June 1999) 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) ↗
45. Plastics. Phenolic resins. Determination of residual phenol content by gas chromatography. (15th May 1999) 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) ↗
46. Materials and articles in contact with foodstuffs. Plastics substances subject to limitation. Determination of monoethylene glycol and diethylene glycol in food simulants Part 7, (15th June 1999) 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) ↗
47. In vitro diagnostic medical devices. Measurement of quantities in samples of biological origin. Description of reference materials. (15th October 1999) 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) ↗
48. Foodstuffs. Determination of aflatoxin B1, and the sum of aflatoxins B1, B2, G1 and G2 in cereals, shell-fruits and derived products. High performance liquid chromatographic method with post column derivatization and immunoaffinity column clean up. (15th November 1999) 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) ↗
49. Water quality. Biological methods. Determination of acute lethal toxicity to marine copepods (Copepoda, Crustacea) Part 5.24, (15th September 1999) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (24 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
50. Materials and articles in contact with foodstuffs. Plastics substances subject to limitation. Determination of isocyanates in plastics Part 8, (15th September 1999) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (22 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗