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| 4901 |
BS EN ISO 20595:2022Water quality. Determination of selected highly volatile organic compounds in water. Method using gas chromatography and mass spectrometry by static headspace technique (HS-GC-MS). Water quality. Determination of selected highly volatile organic compounds in water. Method using gas chromatography and mass spectrometry by static headspace technique (HS-GC-MS). |
| 4902 |
BS EN ISO 20675:2021Biogas. Biogas production, conditioning, upgrading and utilization. Terms, definitions and classification scheme. Biogas. Biogas production, conditioning, upgrading and utilization. Terms, definitions and classification scheme. |
| 4903 |
BS EN ISO 20714:2021E-liquid. Determination of nicotine, propylene glycol and glycerol in liquids used in electronic nicotine delivery devices. Gas chromatographic method. E-liquid. Determination of nicotine, propylene glycol and glycerol in liquids used in electronic nicotine delivery devices. Gas chromatographic method. |
| 4904 |
BS EN ISO 2076:2021-TCTracked Changes. Textiles. Man-made fibres. Generic names. Tracked Changes. Textiles. Man-made fibres. Generic names. |
| 4905 |
BS EN ISO 20765-5:2022Natural gas. Calculation of thermodynamic properties. Calculation of viscosity, Joule-Thomson coefficient, and isentropic exponent. Natural gas. Calculation of thermodynamic properties. Calculation of viscosity, Joule-Thomson coefficient, and isentropic exponent. |
| 4906 |
BS EN ISO 20768:2021Vapour products. Routine analytical vaping machine. Definitions and standard conditions. Vapour products. Routine analytical vaping machine. Definitions and standard conditions. |
| 4907 |
BS EN ISO 20776-2:2021Clinical laboratory testing and in vitro diagnostic test systems. Susceptibility testing of infectious agents and evaluation of performance of antimicrobial susceptibility test devices. Evaluation of performance of antimicrobial susceptibility test devices against reference broth micro-dilution. Clinical laboratory testing and in vitro diagnostic test systems. Susceptibility testing of infectious agents and evaluation of performance of antimicrobial susceptibility test devices. Evaluation of performance of antimicrobial susceptibility test devices against reference broth micro-dilution. |
| 4908 |
BS EN ISO 20776-2:2021-TCTracked Changes. Clinical laboratory testing and in vitro diagnostic test systems. Susceptibility testing of infectious agents and evaluation of performance of antimicrobial susceptibility test devices. Evaluation of performance of antimicrobial susceptibility test devices against reference broth micro-dilution. Tracked Changes. Clinical laboratory testing and in vitro diagnostic test systems. Susceptibility testing of infectious agents and evaluation of performance of antimicrobial susceptibility test devices. Evaluation of performance of antimicrobial susceptibility test devices against reference broth micro-dilution. |
| 4909 |
BS EN ISO 2078:2022-TCTracked Changes. Textile glass. Yarns. Designation. Tracked Changes. Textile glass. Yarns. Designation. |
| 4910 |
BS EN ISO 2080:2022-TCTracked Changes. Metallic and other inorganic coatings. Surface treatment, metallic and other inorganic coatings. Vocabulary. Tracked Changes. Metallic and other inorganic coatings. Surface treatment, metallic and other inorganic coatings. Vocabulary. |
| 4911 |
BS EN ISO 20836:2021-TCTracked Changes. Microbiology of the food chain. Polymerase chain reaction (PCR) for the detection of microorganisms. Thermal performance testing of thermal cyclers. Tracked Changes. Microbiology of the food chain. Polymerase chain reaction (PCR) for the detection of microorganisms. Thermal performance testing of thermal cyclers. |
| 4912 |
BS EN ISO 20884:2019/A1:2021Petroleum products. Determination of sulfur content of automotive fuels. Wavelength-dispersive X-ray fluorescence spectrometry. Petroleum products. Determination of sulfur content of automotive fuels. Wavelength-dispersive X-ray fluorescence spectrometry. |
| 4913 |
BS EN ISO 21003-3:2008/A1:2021Multilayer piping systems for hot and cold water installations inside buildings. Fittings. Multilayer piping systems for hot and cold water installations inside buildings. Fittings. |
| 4914 |
BS EN ISO 21149:2017/A1:2022Cosmetics. Microbiology. Enumeration and detection of aerobic mesophilic bacteria. Cosmetics. Microbiology. Enumeration and detection of aerobic mesophilic bacteria. |
| 4915 |
BS EN ISO 21150:2015/A1:2022Cosmetics. Microbiology. Detection of Escherichia coli. Cosmetics. Microbiology. Detection of Escherichia coli. |
| 4916 |
BS EN ISO 21207:2022Corrosion tests in artificial atmospheres. Accelerated corrosion tests involving alternate exposure to corrosion-promoting gases, neutral salt-spray and drying. Corrosion tests in artificial atmospheres. Accelerated corrosion tests involving alternate exposure to corrosion-promoting gases, neutral salt-spray and drying. |
| 4917 |
BS EN ISO 21322:2021Cosmetics. Microbiology. Testing of impregnated or coated wipes and masks. Cosmetics. Microbiology. Testing of impregnated or coated wipes and masks. |
| 4918 |
BS EN ISO 21363:2022Nanotechnologies. Measurements of particle size and shape distributions by transmission electron microscopy. Nanotechnologies. Measurements of particle size and shape distributions by transmission electron microscopy. |
| 4919 |
BS EN ISO 21363:2022-TCTracked Changes. Nanotechnologies. Measurements of particle size and shape distributions by transmission electron microscopy. Tracked Changes. Nanotechnologies. Measurements of particle size and shape distributions by transmission electron microscopy. |
| 4920 |
BS EN ISO 21606:2022Dentistry. Elastomeric auxiliaries for use in orthodontics. Dentistry. Elastomeric auxiliaries for use in orthodontics. |
