BS EN ISO 23500-2:2019 Preparation and quality management of fluids for haemodialysis and related therapies Water treatment equipment for haemodialysis applications and related therapies

Water treatment
Medical equipment
Performance testing
Water
Dialysis
Water purification
Artificial kidneys
Contamination
Biological filters
Chemical technology equipment
Reverse osmosis
Solutes
Filtration

Link: BS EN ISO 23500-2:2019 Preparation and quality management of fluids for haemodialysis and related therapies Water treatment equipment for haemodialysis applications and related therapies
Source: BSI Standards

BS EN ISO 23753-1:2019 Soil quality. Determination of dehydrogenases activity in soils Method using triphenyltetrazolium chloride (TTC)

Microorganisms
Quality
Soils
Microbiology
Biochemical methods of analysis
Soil testing
Enzymes
Determination of content
Chemical analysis and testing
Enzyme assay

Link: BS EN ISO 23753-1:2019 Soil quality. Determination of dehydrogenases activity in soils Method using triphenyltetrazolium chloride (TTC)
Source: BSI Standards

IEC TS 62271-304:2019 High-voltage switchgear and controlgear Classification of indoor enclosed switchgear and controlgear for rated voltages above 1 kV up to and including 52 kV related to the use in special service conditions with respect to condensation and pollution

Link: IEC TS 62271-304:2019 High-voltage switchgear and controlgear Classification of indoor enclosed switchgear and controlgear for rated voltages above 1 kV up to and including 52 kV related to the use in special service conditions with respect to condensation and pollution
Source: BSI Standards