PN-EN 13656-2021-05 E
土壤、處理過的生物廢棄物、污泥和廢棄物 用鹽酸(HCl)、硝酸(HNO3)和四氟硼酸(HBF4)或氫氟酸(HF)酸混合物進行消化,用于隨后的元素測定
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