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BS 7118-2:1989 Measurement of fluid flow: assessment of uncertainty in the calibration and use of flow measurement devices - Non-linear calibration relationships
BS 4819-2:1989 (R2017) Resistance welding water-cooled transformers of the press-package and portable types. partTitleEN sectionTitleEN
BS 1796-1:1989 Test sieving - Methods using test sieves of woven wire cloth and perforated metal plate
BS 3762-3.25:1989 Analysis of formulated detergents - Quantitative test methods
BS 4427-3:1989 Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use - Condensed phosphates for industrial use (including foodstuffs): determination of iron content
BS 6068-2.36:1989 Water quality. Physical, chemical and biochemical methods - Spectrometric method for the determination of nitrate using sulphosalicylic acid
BS 6160-1:1989 Radio equipment used in mobile services - General requirements and conditions of measurement
BS 6870-3:1989 Analysis of aluminium ores - Method for multi-element analysis by wavelength dispersive X-ray fluorescence
BS 2782-11:Method 1108A:1989 Methods of testing plastics. Thermoplastics pipes, fittings and valves - True impact rate (TIR) boundaries of pipes
BS 4258-3:1989 Methods of test for phosphoric acid (orthophosphoric acid) for industrial use - Methods of test for phosphoric acid (orthophosphoric acid) for industrial use. Determination of sulphate content
BS 6829-4.5:1989 Analysis of surface active agents (raw materials). Ethylene oxide adducts - Method for determination of sulphated ash