NF EN 13656

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

Le présent document décrit trois méthodes pour la digestion des sols, des bio-déchets traités, des boues et des déchets en utilisant un mélange acide composé d'acide chlorhydrique (HCl) , nitrique (HNO3) et tétrafluoroborique (HBF4) ou d'acide chlorhydrique (HCl) , nitrique (HNO3) et fluorhydrique (HF) comme solution de digestion. Il est applicable aux éléments suivants : Aluminium (AI) , antimoine (Sb) , arsenic (As) , baryum (Ba) , béryllium (Be) , cadmium (Cd) , calcium (Ca) , chrome (Cr) , cobalt (Co) , cuivre (Cu) , fer (Fe) , plomb (Pb) , magnésium (Mg) , manganèse (Mn) , mercure (Hg) , molybdène (Mo) , nickel (Ni) , phosphore (P) , potassium (K) , sélénium (Se) , argent (Ag) , sodium (Na) , strontium (Sr) , soufre (S) , tellure (Te) , thallium (TI) , étain (Sn) , titane (Ti) , vanadium (V) et zinc (Zn) . Il peut également être appliqué à la digestion d'autres éléments, à condition que l'applicabilité soit vérifiée par l'utilisateur. Les méthodes décrites dans le présent document ont été validées pour les matrices comme indiqué dans le Tableau 1.

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