51. Chemicals used for treatment of water intended for human consumption. Copper sulfate. (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) ↗
52. Fruit and vegetable juices. Determination of free amino acids content. Liquid chromatographic method. (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) ↗
53. Optics and optical instruments. Contact lenses. Determination of cytotoxicity of contact lens material. Agar overlay test and growth inhibition test Part 1, (15th December 1999) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (18 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
54. Materials and articles in contact with foodstuffs. Plastics substances subject to limitation. Determination of acrylonitrile in food and food simulants Part 3, (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) ↗
55. BS EN ISO 10893-10 AMD1. Non-destructive testing of steel tubes. Part 10. Automated full peripheral ultrasonic testing of seamless and welded (except submerged arc-welded) steel tubes for the detection of longitudinal and/or transverse imperfections (2nd September 2019) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (6 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
56. Influence of organic materials on water intended for human consumption. Determination of odour and flavour assessment of water in piping systems. Influence of organic materials on water intended for human consumption. Determination of odour and flavour assessment of water in piping systems. Test method Part 1, (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) ↗
57. BS EN ISO 10893-11 AMD1. Non-destructive testing of steel tubes. Part 11. Automated ultrasonic testing of the weld seam of welded steel tubes for the detection of longitudinal and/or transverse imperfections (2nd September 2019) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (5 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
58. BS EN ISO 10893-3 AMD2. Non-destructive testing of steel tubes. Part 3. Automated full peripheral flux leakage testing of seamless and welded (except submerged arc-welded) ferromagnetic steel tubes for the detection of longitudinal and/or transverse imperfections (2nd September 2019) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (5 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
59. Soil analysis. Determination of polycyclic aromatic hydrocarbons (PAH) Part 1, (15th December 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) ↗
60. BS ISO 13885-1. Gel permeation chromatography (GPC). Part 1. Tetrahydrofuran (THF) as eluent (28th August 2019) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (32 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗