81. Iron ores. Experimental methods for checking the bias of sampling. (15th June 1998) 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) ↗
82. Wallcoverings in roll form. Specification for finished wallpapers, wall vinyls and plastics wallcoverings. (15th May 1997) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (20 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
83. Internal combustion compression-ignition engines. Measurement apparatus for smoke from engines operating under steady-state conditions. Filter type smokemeter. (15th November 1998) 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) ↗
84. Ambient air. Determination of mass concentration of nitrogen dioxide. Modified Griess-Saltzman method. (15th October 1998) 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) ↗
85. Stationary source emissions. Manual method of determination of HCI. Sampling of gases Part 1, (15th August 1998) 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) ↗
86. Methods of testing refractory materials. Chemical analysis by instrumental methods. Determination of chromium (VI) Part 9.3, (15th November 1998) 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) ↗
87. Harmonized system of quality assessment for electronic components. Sectional specification:passive filter units for electromagnetic interference suppression. Filters for which safety tests are not required. (15th June 1998) 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) ↗
88. Chemicals used for treatment of water intended for human consumption. Iron (III) chloride sulfate. (15th February 1999) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (20 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
89. Methods of sampling and test for carbonaceous materials used in aluminium manufacture. Electrode coke. Determination of water content of calcined coke Part 2.16, (15th September 1998) 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) ↗
90. Stationary source emissions. Manual method of determination of HCI. Gaseous compounds absorption Part 2, (15th August 1998) 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) ↗