BS 6075-8:1981 Methods of sampling and test for sodium hydroxide for industrial use. Determination of sulphate content standard by BSI Group, 02/27/1981
BS 6075-9:1981 Methods of sampling and test for sodium hydroxide for industrial use. Determination of calcium and magnesium contents standard by BSI Group, 02/27/1981
BS 6090:1981 Specification for personal photographic dosemeters standard by BSI Group, 02/27/1981
BS 6070-7:1981 Methods of sampling and test for sodium carbonate for industrial use. Determination of copper content standard by BSI Group, 02/27/1981
BS 6075-0:1981 Methods of sampling and test for sodium hydroxide for industrial use. General introduction standard by BSI Group, 02/27/1981
BS 6072:1981 Method for magnetic particle flaw detection standard by BSI Group, 02/27/1981
BS 6075-11:1981 Methods of sampling and test for sodium hydroxide for industrial use. Determination of mercury content (flameless atomic absorption method) standard by BSI Group, 02/27/1981
BS 6075-12:1981 Methods of sampling and test for sodium hydroxide for industrial use. Determination of copper content standard by BSI Group, 02/27/1981
BS 6075-10:1981 Methods of sampling and test for sodium hydroxide for industrial use. Determination of mercury content (photometric method) standard by BSI Group, 02/27/1981
BS 3144:ADDENDUM NO. 2:1981 Sampling and physical testing of leather. Measurement of water vapour absorption standard by BSI Group, 09/30/1981
BS 4317-16:1981 Methods of test for cereals and pulses. Determination of dry gluten in wheat flour standard by BSI Group, 09/30/1981
BS 4656-29:1981 Accuracy of machine tools and methods of test. Specification for automatic lathes , multi-spindle (indexing drum) type standard by BSI Group, 09/30/1981