DS/EN 13656:2020 Soil, treated biowaste, sludge and waste – Digestion with a hydrochloric (HCl), nitric (HNO₃) and tetrafluoroboric (HBF₄) or hydrofluoric (HF) acid mixture for subsequent determination of elements
2020DS/EN 13656:2020 Soil, treated biowaste, sludge and waste – Digestion with a hydrochloric (HCl), nitric (HNO₃) and tetrafluoroboric (HBF₄) or hydrofluoric (HF) acid mixture for subsequent determination of elements
2003DS/EN 13656:2003 Characterization of waste - Microwave assisted digestion with hydrofluoric (HF), nitric (HNO3) and hydrochloric (HCl) acid mixture for subsequent determination of elements