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25 mm diameter, 0.4 mm thick, disc of titanium oxide binding gel. (Metsorb) -
A flat sheet of standard (APA), 0.4 mm thick zirconium oxide gel sheet (approx. 190 x 60 mm). Fits a standard sediment probe housing (R-SDU). -
A flat sheet of standard (APA), 0.4 mm thick iron oxide gel sheet (approx. 190 x 60 mm). Fits a standard sediment probe housing (R-SDU). -
A flat sheet of standard (APA), 0.4 mm thick Chelex gel sheet (approx. 190 x 60 mm). Fits a standard sediment probe housing (R-SDU). -
A flat sheet of standard (APA), 0.8 mm thick diffusive gel sheet (approx. 190 x 60 mm). Fits a standard sediment probe housing (R-SDU). -
A flat sheet of standard (APA), 0.8 mm thick diffusive gel sheet. (approx. 130 x 130 mm) -
25 mm diameter, 0.4 mm thick, disc of the zirconium oxide binding gel. -
25 mm diameter, 0.6 mm thick, disc of the iron oxide binding gel. -
25 mm diameter, 0.4 mm thick, disc of the standard Chelex binding gel. -
25 mm diameter, 0.8 mm thick, disc of agarose diffusive gel. -
25 mm diameter, 0.8 mm thick, disc of the restricted diffusive gel. -
25 mm diameter, 0.8 mm thick, disc of the standard (APA) diffusive gel. -
Flat, sediment style probe, equipped with a series of 1x1x18 mm slits stacked vertically for 15 cm (75 slits). (not filled with gel) -
Designed to accommodate flat rectangular strips with thicknesses of: 0.4 mm binding layer, 0.8 mm diffusive layer and a 0.14 mm filter membrane (not supplied). Can also be used to house a gel for DET measurements. -
Designed to accommodate 25 mm diameter discs with thicknesses of: 0.4 mm binding layer, 0.8 mm diffusive layer and a 0.14 mm filter membrane (not supplied). -
Designed to accommodate 25 mm diameter discs with thicknesses of: 0.4 mm binding layer, 0.8 mm diffusive layer and a 0.14 mm filter membrane. -
For measuring equilibrium concentrations in porewaters. Specially designed DET holder with a series of 1x1x18 mm slits stacked vertically for 15 cm (75 slits). Slits are filled with agarose gel and overlaid by a polyethersulphone filter membrane. There is no binding layer. -
For measuring equilibrium concentrations in porewaters. Standard DET holder for sediment with 1.2 mm APA diffusive gel, polyethersulphone filter membrane and no binding layer. -
Can measure sulphide (Teasdale et al., 1999, Widerlund and Davison, 2007). Standard DGT holder for sediment with 0.8 mm APA diffusive gel, polyethersulphone filter membrane and a silver iodide binding layer. Sulphide can be detected by the grey-scale colour change. Click here to view the User Guide. -
Can measure Hg present as Hg2+ and methyl mercury (Gao et al., 2011, 2014). It selectively measures As(III) (Bennett et al., 2011). Standard DGT holder for sediment with 0.8 mm agarose diffusive gel, polyethersulphone filter membrane and a 3-mercaptopropyl functionalised silica gel binding layer. -
Can measure P present as phosphate and polyphosphates and up to 40 metals, including Al, As, Cd, Co, Cu, Fe, Mn, Ni, Pb, Sb, Se, U, V, W, Zn (Panther et al., 2014). Standard DGT holder for sediment with 0.8 mm APA diffusive gel, polyethersulphone filter membrane and a mixed binding layer of Chelex and titanium oxide (Metsorb). User guide for sediment deployments User guide for metals and phosphate by Chelex/Tioxide -
Measures P and metals present as oxyanions, including As, Mo, Sb, Se, V(Guan et al., 2015). Standard DGT holder for sediment with 0.8 mm APA diffusive gel, polyethersulphone filter membrane and a precipitated zirconium oxide binding layer. -
Measures P and metals present as oxyanions or strongly hydrolysed, including As, Mo, Sb, Se, U, V, W(Panther et al., 2010, 2012, 2013, Hutchins et al., 2012). Has also been used to measure glyphosate (Fauvelle et al., 2015). Standard DGT holder for sediment with 0.8 mm APA diffusive gel, polyethersulphone filter membrane and a titanium oxide (Metsorb) binding layer. User guide for sediment deployments User guide (post deployment) for anionic metals and P by TiO -
Measures P and metals present as oxyanions, including As, Mo, Sb, Se, U, V, W (Zhang et al., 1998, Luo et al., 2010, Osterlund et al., 2010). Standard DGT holder for sediment with 0.8 mm APA diffusive gel, polyethersulphone filter membrane and iron oxide binding layer. User guide for sediment deployments User guide post-deployment for oxyanions User guide post-deployment for phosphate