DIN EN 13656:2019 土壤、處理過(guò)的生物廢物、污泥和廢物 用鹽酸(HCl)、硝酸(HNO3)和四氟硼酸(HBF4)或氫氟酸(HF)酸混合物進(jìn)行消化,以便隨后測(cè)定元素
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; German and English version prEN 13656:2019