71. Methods. Chemical analysis of tobacco and tobacco products. Determination of alkaloids in tobacco: spectrophotometric method Part 4, (27th February 1976) 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) ↗
72. Petroleum products. Determination of aromatic hydrocarbon types in middle distillates. High performance liquid chromatography method with refractive index detection. (11th October 2022) 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) ↗
73. Rubber latex, natural, concentrate. Determination of volatile fatty acid number. (2nd April 2020) 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) ↗
74. Rubber latices. Methods of test. Determination of residual acrylonitrile content in nitrile latex Part 3.22, (31st August 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) ↗
75. Rubber latices. Methods of test. Determination of volatile fatty acid number of natural rubber latices Part 3.6, (15th January 1993) 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) ↗
76. Rubber latices. Methods of test. Determination of volatile fatty acid number Part 3-3.6, (30th November 1987) 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. Sampling and analysis of iron, steel and other ferrous metals. Methods of analysis. Determination of nitrogen. Steel: spectrophotometric method (for trace amounts) Part 3.22.3, (30th September 1986) 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) ↗
78. Sampling and analysis of iron, steel and other ferrous metals. Methods of analysis. Determination of nitrogen. Steel: spectrophotometric method Part 3.22.2, (28th February 1985) 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) ↗
79. Sampling and analysis of iron, steel and other ferrous metals. Methods of analysis. Determination of nitrogen. Steel: volumetric method Part 3.22.1, (15th June 1992) 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) ↗
80. Sampling and analysis of iron, steel and other ferrous metals. Methods of analysis. Sampling and analysis of iron, steel and other ferrous metals. Methods of analysis. Determination of boron. Curcumin spectrophotometric method after distillation Part 3.5.3, (15th January 1998) 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) ↗