71. Methods of test for desiccants. Determination of friability and dust content Part 11, (31st July 1991) 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) ↗
72. Methods of test for sodium hexafluorosilicate for industrial use. Determination of free acidity and total hexafluorosilicate content Part 1, (31st January 1979) 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) ↗
73. Methods of test for sodium hexafluorosilicate for industrial use. Determination of iron content Part 3, (31st December 1979) 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) ↗
74. Methods of test for sodium hexafluorosilicate for industrial use. Determination of loss in mass at 105°C Part 4, (31st December 1979) 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) ↗
75. Methods of test for sodium hexafluorosilicate for industrial use. Determination of particle size distribution by sieving Part 6, (30th January 1981) 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) ↗
76. Methods of test for sodium hexafluorosilicate for industrial use. Determination of phosphate content Part 2, (31st December 1979) 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) ↗
77. 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) ↗
78. Optics and optical instruments. Environmental requirements. Test requirements for extreme conditions of use Part 8, (15th February 1995) 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) ↗
79. Optics and optical instruments. Environmental requirements. Test requirements for medical optical devices Part 6, (15th February 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) ↗
80. Optics and optical instruments. Environmental test methods. Combined sinusoidal vibration, dry heat or cold Part 10, (15th February 1995) 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) ↗