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Can measure sulphide, which is usually only present in waters without oxygen (Teasdale et al., 1999, Widerlund and Davison, 2007). Standard DGT holder for solutions 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 soils with 0.8 mm agarose diffusive gel, polyethersulphone filter membrane and a 3-mercaptopropyl functionalised silica gel binding layer. -
25 mm diameter, 0.4 mm thick, disc of the zirconium oxide binding gel. -
Selectively measures Cr(VI) in the presence of Cr(III)(Pan et al., 2015). Standard DGT holder for sediments with 0.8 mm APA diffusive gel, polyethersulphone filter membrane and a N-methyl-D-glucamine (DMDG) functional resin within the binding layer. -
Can measure nitrate in solutions with ionic strength <0.02 mmol L-1 (freshwater) (Williams et al, 2017). Standard DGT holder for solutions with 0.8 mm agarose diffusive gel, polyethersulphone filter membrane and a binding layer containing SIR-100-HP resin, which is selective for nitrate. -
Selectively measures Cr(VI) in the presence of Cr(III)(Pan et al., 2015). Standard DGT holder for soil with 0.8 mm APA diffusive gel, polyethersulphone filter membrane and a N-methyl-D-glucamine (DMDG) functional resin within the binding layer. -
25 mm diameter, 0.4 mm thick, disc of titanium oxide binding gel. (Metsorb) -
Can measure P present as phosphate and polyphosphates and up to 40 metals, including As, Cd, Co, Cu, Fe, Mn, Ni, Pb, Sb, Se, U, V, W, Zn (Mason et al., 2005). Standard DGT holder for sediments with 0.8 mm APA diffusive gel, polyethersulphone filter membrane and a mixed binding layer of Chelex and iron oxide (ferrihydrite). User guide for sediment deployments User guide post-deployment procedures -
Can measure Tc (French et al., 2005). Standard DGT holder for solutions with 0.8 mm APA diffusive gel, polyethersulphone filter membrane and a binding layer containing dispersed TEVA resin, which is selective for Tc. -
Selectively measures Cr(VI) in the presence of Cr(III)(Pan et al., 2015). Standard DGT holder for solution with 0.8 mm APA diffusive gel, polyethersulphone filter membrane and a N-methyl-D-glucamine (DMDG) functional resin within the binding layer. -
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 solutions with 0.8 mm agarose diffusive gel, polyethersulphone filter membrane layer and a 3-mercaptopropyl functionalised silica gel binding layer. -
Can measure P present as phosphate and polyphosphates and up to 40 metals, including As, Cd, Co, Cu, Fe, Mn, Ni, Pb, Sb, Se, U, V, W, Zn (Mason et al., 2005). Standard DGT holder for soil with 0.8 mm APA diffusive gel, polyethersulphone filter membrane and a mixed binding layer of Chelex and iron oxide (ferrihydrite). User guide for soil deployments User guide post-deployment procedures -
25 mm diameter, 0.6 mm thick, disc of the iron oxide binding gel. -
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 -
Can measure P present as phosphate and polyphosphates and up to 40 metals, including As, Cd, Co, Cu, Fe, Mn, Ni, Pb, Sb, Se, U, V, W, Zn (Mason et al., 2005). Standard DGT holder for solutions with 0.8 mm APA diffusive gel, polyethersulphone filter membrane and a mixed binding layer of Chelex and iron oxide (ferrihydrite). User guide for metals and phosphate (LSNY). -
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 solutions with 0.8 mm APA diffusive gel, polyethersulphone filter membrane and a mixed binding layer of Chelex and titanium oxide (Metsorb). User guide for metals and phosphate by Ti oxide (LSNX) -
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 soils with 0.8 mm APA diffusive gel, polyethersulphone filter membrane and a mixed binding layer of Chelex and titanium oxide (Metsorb). User guide for soil deployments User guide for metals and phosphate by Chelex/Tioxide -
Flat, sediment style probe, equipped with a series of 1x1x18 mm slits stacked vertically for 15 cm (75 slits). (not filled with gel) -
25 mm diameter, 0.4 mm thick, disc of the standard Chelex binding gel. -
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, including As, Mo, Sb, Se, V (Guan et al., 2015). Standard DGT holder for solutions with 0.8 mm APA diffusive gel, polyethersulphone filter membrane and a precipitated zirconium oxide binding layer. -
Measures P and metals present as oxyanions, including As, Mo, Sb, Se, V (Guan et al., 2015). Standard DGT holder for soils with 0.8 mm APA diffusive gel, polyethersulphone filter membrane and a precipitated zirconium oxide binding layer. -
Out of stock
THOË is a patented automatic and autonomous sampler that is approved by DGT Research Limited. Fully programmable, THOË sequentially exposes DGT® to obtain time series measurements for any time up to several months. It can operate at depths up to 1000 m.
For more information on THOË and purchase details contact either AEL or Technicap.
Designed by:
www.ael-environnement.nc
Manufactured by:
www.technicap.com
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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.