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BS PD ISO/TS 11251:2019

Nanotechnologies. Characterization of volatile components in single-wall carbon nanotube samples using evolved gas analysis/gas chromatograph-mass spectrometry
standard by BSI Group, 10/07/2019

BS PD ISO/TS 17073:2013

Soil quality. Determination of trace elements in aqua regia and nitric acid digests. Graphite furnace atomic absorption spectrometry method (GFAAS)
standard by BSI Group, 10/31/2013