BS EN ISO 1833-9:2019 Textiles. Quantitative chemical analysis Mixtures of acetate with certain other fibres (method using benzyl alcohol)

Determination of content
Quantitative analysis
Fibre testing (textiles)
Textile testing
Extraction methods of analysis
Cellulose acetate fibres
Chemical tests (textiles)
Textile fibres
Mixtures
Chemical analysis and testing

Link: BS EN ISO 1833-9:2019 Textiles. Quantitative chemical analysis Mixtures of acetate with certain other fibres (method using benzyl alcohol)
Source: BSI Standards

BS EN ISO 20186-3:2019 Molecular in-vitro diagnostic examinations. Specifications for pre-examination processes for venous whole blood Isolated circulating cell free DNA from plasma

Quality assurance
Laboratory testing
Laboratory accreditation
Medical technology
Laboratories
Medical laboratory equipment
Quality management
Quality
Management
Cells (biology)
Deoxyribonucleic acid
Medical sciences
Blood plasma
Quality assurance systems

Link: BS EN ISO 20186-3:2019 Molecular in-vitro diagnostic examinations. Specifications for pre-examination processes for venous whole blood Isolated circulating cell free DNA from plasma
Source: BSI Standards

ISO 21675:2019 Water quality. Determination of perfluoroalkyl and polyfluoroalkyl substances (PFAS) in water. Method using solid phase extraction and liquid chromatography-tandem mass spectrometry (LC-MS/MS)

Mass spectrometry
Liquid chromatography
Extraction
Quality
Water

Link: ISO 21675:2019 Water quality. Determination of perfluoroalkyl and polyfluoroalkyl substances (PFAS) in water. Method using solid phase extraction and liquid chromatography-tandem mass spectrometry (LC-MS/MS)
Source: BSI Standards

BS EN 14419:2019 District heating pipes. Bonded single and twin pipe systems for buried hot water networks. Surveillance systems

District heating
Space-heating systems
Heat pipes
Pipes
Pipelines
Pipework systems
Water
Underground
Pipe fittings
Valves
Thermal insulating materials
Bonding
Fluid equipment
Measuring instruments
Performance
Electric wires

Link: BS EN 14419:2019 District heating pipes. Bonded single and twin pipe systems for buried hot water networks. Surveillance systems
Source: BSI Standards