BS PD ISO/TR 20489:2018 provides an overview of approaches of sample preparation (i.e. pre-treatment and size-fractionation) for analytical measurements applied to surface and drinking water, potentially containing relevant amounts and types of metal and metal oxide nano-objects, including collection from source and storage of samples, pre-concentration of analytes, and their fractionation.Cross References:ISO 13164-1:2013ISO/TS 80004-2:2015ISO 5667-5:2006ISO/TR 18196:2016ISO/IEC Guide 99:2007ISO/TS 80004-1:2015ISO 5667-3ISO 5667-1ISO 5667-6ISO 5667-4
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