Kemisk karaktäristik hos jord

This document specifies a method for the determination of mercury in digests of soil, treated biowaste, sludge and waste, obtained according to EN 16173 (nitric acid digestion), EN ISO 54321 (aqua regia digestion) or EN 13656 (digestion with a hydrochloric (HCl), nitic (HNO3) and tetrafluoroboric (HBF4) or hydrofluoric (HF) acid mixture) with using cold-vapour atomic absorption spectrometry (CV-AAS). The lower working range limit is at least 0,03 mg/kg (dry matter basis) depending on digestion parameters.