BS EN 13656:2020 : Title: 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 Pages: 40 Year: Publisher: British Standards Institution Availability: Within 1-2 working days
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