The method described in this document sets out the extraction of soils (and similar materials) using aqua regia. Trace metals in solution can then be analysed using suitable means (AAS, ICP).#,,#
DIN ISO 11466:1997 history
2021DIN EN ISO 54321:2021 Soil, treated biowaste, sludge and waste - Digestion of aqua regia soluble fractions of elements (ISO 54321:2020); German version EN ISO 54321:2021