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BSi – The company, BSI British Standards, is a national standards body of the United Kingdom (NBS) and it was actually the very first one in the world. It represents national and social interests of Great Britain in all European and international standardization organizations and in the development of business information of British institutions of all sizes and sectors. BSI British Standards cooperates with manufacturing and service industries, various companies, the government and with consumers as well in order to facilitate the production of British, European and international standards. A part of BSI Group, BSI British Standards, works closely with the government of the United Kingdom, especially in the Department for Innovations, Universities and Skills (DIUS).
Tracked Changes. Respiratory protective devices. Compressed air line breathing devices with demand valve. Devices with a full face mask. Requirements, testing and marking.
Standard published on 25.2.2020
Selected format:Respiratory protective devices. Compressed air line breathing apparatus with demand valve. Apparatus with a half mask at positive pressure. Requirements, testing, marking.
Standard published on 29.4.2005
Selected format:Water quality. Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium. Method by analysis of inorganic carbon in sealed vessels (CO2 headspace test).
Standard published on 15.6.1999
Selected format:Respiratory protective devices. Continuous flow compressed air line breathing devices. Requirements, testing and marking.
Standard published on 25.5.2018
Selected format:Tracked Changes. Respiratory protective devices. Continuous flow compressed air line breathing devices. Requirements, testing and marking.
Standard published on 25.2.2020
Selected format:Microbeam analysis. Electron probe microanalysis. Guidelines for the determination of experimental parameters for wavelength dispersive spectroscopy.
Standard published on 10.6.2024
Selected format:Tracked Changes. Microbeam analysis. Electron probe microanalysis. Guidelines for the determination of experimental parameters for wavelength dispersive spectroscopy.
Standard published on 14.6.2024
Selected format:Tanks for transport of dangerous goods. Service equipment. Breather device.
Standard published on 31.8.2016
Selected format:Tracked Changes. Tanks for transport of dangerous goods. Service equipment. Breather device.
Standard published on 25.2.2020
Selected format:Microbeam analysis. Electron probe microanalysis. Guidelines for the specification of certified reference materials (CRMs).
Standard published on 14.6.2023
Selected format:Latest update: 2026-07-13 (Number of items: 2 286 490)
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