51. Methods of sampling and test for sodium hydroxide for industrial use. Determination of silica content Part 4, (27th February 1981) 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) ↗
52. Methods of test for acid-grade fluorspar. Determination of silica content Part 7, (30th June 1987) 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) ↗
53. Methods of test for acid-grade fluorspar. Determination of total phosphorus content Part 6, (29th June 1990) 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) ↗
54. Methods of test for aluminium oxide. Determination of phosphorus content Part 18, (28th February 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) ↗
55. Methods of test for meat and meat products. Determination of glucono-delta-lactone content (reference method) Part 13, (31st October 1979) 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) ↗
56. Methods of test for orthoboric acid (boric acid), diboron trioxide (boric oxide), disodium tetraborates, sodium perborates and crude sodium borates for industrial use. Determination of sulphur compounds in boric acid, boric oxide, $7Idi$7Rsodium tetraborates and crude sodium borates Part 5, (28th February 1979) 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) ↗
57. Methods of test for petroleum and its products. Bromine number (colour indicator method) Part 129, (31st March 1982) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (7 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
58. Methods of test for sodium hexafluorosilicate for industrial use. Determination of sulphate content Part 7, (30th September 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) ↗
59. Methods of testing plastics. Chemical properties. Determination of antioxidants in polyolefin compounds by a spectrophotometric method Part 4, (15th February 1975) 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) ↗
60. Microbiological examination for dairy purposes. Ancillary methods. Methylene blue reduction test for cream and ice cream Part 5.2, (31st October 1989) 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) ↗