Diffusive gradient in thin films technique for assessment of cadmium and copper bioaccessibility to radish (Raphanus sativus)

0434443 - ÚIACH 2015 RIV NL eng J - Journal Article
Dočekalová, H. - Škarpa, P. - Dočekal, Bohumil
Diffusive gradient in thin films technique for assessment of cadmium and copper bioaccessibility to radish (Raphanus sativus).
Talanta. Roč. 134, March (2015), s. 153-157. ISSN 0039-9140. E-ISSN 1873-3573
R&D Projects: GA ČR GAP503/10/2002
Institutional support: RVO:68081715
Keywords : radish * cadmium * copper * DGT technique * bioaccesibility
Subject RIV: CB - Analytical Chemistry, Separation
Impact factor: 4.035, year: 2015

The aim of this study was to assess cadmium and copper uptake by radish (Raphanus sativus) and to test the capability of the Diffusive gradient in thin films (DGT) technique to predict bioaccessibility of the metals for this plant. Radish plants were grown in pots filled with uncontaminated control and artificially contaminated soils differing in cadmium and copper contents. Metal concentrations in plants were compared with free ion metal concentrations in soil solution, and concentrations measured by DGT. Significant correlation was found between metal fluxes to plant and metal fluxes into DGT. Pearson correlation coefficient for cadmium was 0.994 and for copper 0.998. The obtained results showed that DGT offers the possibility of simple test procedure for soils and can be used as a physical surrogate for plant uptake.
Permanent Link: http://hdl.handle.net/11104/0238502