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The establishment of EVISA is funded by the EU through the Fifth Framework Programme (G7RT- CT- 2002- 05112).

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Diffusive gradients in thin films (DGT)

Diffusive gradients in thin films (DGT) samplers rely on diffusion of metals through a permeable diffusion layer of known thickness for in situ measurement of trace metals in natural waters, with the principal diffusion layer used to date being based on polyacrylamide hydrogels.


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