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Standard Test Method for Air-Entraining Admixtures for Concrete Ingestion-build-54484 ISO/TS 21083-2 specifies the testing
Standard Test Method for Air-Entraining Admixtures for Concrete Ingestion-build-54484 ISO/TS 21083-2 specifies the testing
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Description
ISO/TS 21083-2 specifies the testing instruments and procedure for determining the filtration efficiencies of flat sheet filter media against airborne nanoparticles in the range of 3 nm to 30 nm
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Method A is spectrometry and Method B is high-performance liquid chromatography
Standard Test Method for Air-Entraining Admixtures for Concrete Ingestion-build-54484 ISO/TS 21083-2 specifies the testing
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