These ready-to-use DGT passive samplers for deployments in soils use a plastic piston design optimized for performance and ease of use in soils (exposure area = 2.54 cm2).
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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 -
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 -
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. -
Can measure some pesticides and herbicides and nitrochlorobenzenes. Click on Organic Analytes for a list of the tested compounds with appropriate references. Standard DGT holder for soils with a 0.8 mm agarose diffusive gel, hydrophylic polypropylene (GHP) filter membrane and HLB binding layer. User guide for soil deployments. User guide for this type of DGT. -
Can measure a range of perfluorinated compounds. Click on Organic Analytes for a list of the tested compounds with appropriate references. Standard DGT holder for soils with a 0.8 mm agarose diffusive gel, polyethersulphone filter membrane and a weak anion exchanger (WAX) binding layer. -
Can measure bisphenols: A, B and F (Zheng et al., 2015, click for full reference). Standard DGT holder for soil with a 0.8 mm agarose diffusive gel, polytetrafluoroethane (PTFE) filter membrane and an activated charcoal binding layer. Click on Organic Analytes for diffusion coefficients and appropriate references. User guide for soil deployments. User guide for this type of DGT. -
Can measure nitrate in solutions with ionic strength <0.02 mmol L-1 (freshwater) (Williams et al, 2017). Standard DGT holder for soil with 0.8 mm agarose diffusive gel, polyethersulphone filter membrane and a binding layer containing SIR-100-HP resin, which is selective for nitrate. -
Can measure Tc (French et al., 2005). Standard DGT holder for soil 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 soil 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 a range of polar compounds, including some pharmaceuticals (including psychiatric), endocrine disrupting chemicals, household and personal care products and organophosphate flame retardants. Click on Organic Analytes for a list of the tested compounds with appropriate references. Standard DGT holder for soils with a 0.8 mm agarose diffusive gel, PTFE filter membrane and HLB binding layer. User guide for soil deployments. User guide for this type of DGT. -
Can measure a range of polar compounds, including antibiotics. Click on Organic Analytes for a list of the tested compounds with appropriate references. Standard DGT holder for soils with a 0.8 mm agarose diffusive gel, polyethersulphone filter membrane and XAD18 binding layer. User guide for soil deployments. User guide for this type of DGT. -
Can measure sulphide, which is usually only present in soils without oxygen (Teasdale et al., 1999, Widerlund and Davison, 2007). Standard DGT holder for soils 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. -
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. -
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 soils with 0.8 mm APA diffusive gel, polyethersulphone filter membrane and a titanium oxide (Metsorb) binding layer. User guide for soil 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 soils with 0.8 mm APA diffusive gel, polyethersulphone filter membrane and iron oxide binding layer. User guide for soil deployments User guide post-deployment for oxyanions User guide post-deployment for phosphate -
Can measure up to 30 metals, including Cd, Co, Cu, Fe, Mn, Ni, Pb, Zn (Zhang and Davison, 1995, Bennett et al., 2016). Standard DGT holder for soils with 0.8 mm APA diffusive gel, polyethersulphone filter membrane and Chelex binding layer. User guide for soil deployments User guide (post deployment) for cationic metals by Chelex