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NOTE 2 This standard does not aim to standardize terminology
butt welds
Although many of its recommendations will be applicable
colliery tubs
BS EN 12909 helps to avoid potential adverse effects on the quality of water intended for human consumption
Nanotechnologies. Air filter media containing polymeric nanofibres. Specification of characteristics and measurement methods Ingestion-build-48024 NOTE 2 This standard doesWhat is ISO TS 21237 about? ISO TS 21237 is a standard that discusses the specification and measurement methods for nanotechnologies. ISO TS 21237 describes the measurement methods for determining the individual characteristics. ISO TS 21237 specifies the characteristics to be measured of air filter media containing polymeric nanofibres on the surface of a substrate. Note: ISO TS 21237 does not cover the characteristics specific to health and safety