Assessment of the DGT technique in digestate to fraction twelve trace elements

Abstract : This study proposes an evaluation of the diffusive gradients in thin films technique (DGT) for 12 studying trace elements in digested sewage sludge samples. Twelve elements were monitored by 13 Chelex (Al, Cd, Co, Cr (III), Cu, Fe, Mn, Ni, Pb) and zirconia-DGT (As, Mo, Se) samplers 14 exposed from 4 hours to 9 days. Twenty-four hours' deployment time was suitable for most of 15 the studied elements. However, short deployment led to insufficient element accumulation or 16 non-establishment of steady state while long deployment (from 18 to 144h depending on the 17
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Andreina Laera, Rémy Buzier, Gilles Guibaud, Giovanni Esposito, Eric D. van Hullebusch. Assessment of the DGT technique in digestate to fraction twelve trace elements. Talanta, Elsevier, 2019, 192, pp.204-211. ⟨10.1016/j.talanta.2018.09.033⟩. ⟨hal-02053006⟩

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