Determination of mercury species by the diffusive gradient in thin film technique and liquid chromatography – atomic fluorescence spectrometry after microwave extraction

Pelcová, Pavlína; Dočekalová, Hana; Kleckerová, Andrea

doi:10.1016/j.aca.2015.01.043

Cited by 49 publications

(28 citation statements)

References 11 publications

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“…The cation‐exchange resin gels for the determination of Hg contained thiol functional groups (i.e., Duolite GT73 and Ambersep GT74; Sigma‐Aldrich) incorporated in a polyacrylamide gel. Resin gels were prepared according to the method of Pelcova et al ().…”

Section: Methodsmentioning

confidence: 99%

“…For simultaneous measurement of CH 3 Hg + and Hg 2+ species in sediments the Tulsion® CH‐95 binding gel was developed (Ren et al ). In recent years, the new commercially available resin Ambersep GT74 has been investigated in aquatic systems to determine the accumulation of Hg species (Pelcova et al , ). The purpose of the present study was to estimate the availability of Hg in smelter‐impacted agricultural soils in northern France using the DGT technique to obtain a better understanding of Hg lability and subsequent crop uptake.…”

Section: Introductionmentioning

confidence: 99%

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Bioavailability of mercury in contaminated soils assessed by the diffusive gradient in thin film technique in relation to uptake by Miscanthus × giganteus

Ridošková

Pelfrêne

Douay

et al. 2019

Enviro Toxic and Chemistry

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We assessed the relationship between the diffusive gradient in thin film (DGT) technique using the new ion-exchange resin Ambersep GT74 and the uptake of mercury (Hg) by a model plant cultivated on metal-contaminated agricultural soils under greenhouse conditions. Based on the total Hg content, 0.37 to 1.17% of the Hg passed to the soil porewater from the solid phase, and 2.18 to 9.18% of the Hg is DGT-available. These results were confirmed by calculating the R value (the ratio of the concentrations of bioavailable Hg measured by DGT and soil solution), which illustrated the strong bonding of Hg to the solid phase of soil and its extremely low mobility. Only inorganic Hg 2þ species were found in the metal-contaminated agricultural soils, as determined by a high-performance liquid chromatography-cold vapor atomic fluorescence spectrometry speciation analysis. The Hg was distributed in Miscanthus Â giganteus organs in the following order for all sampling sites: roots (55-82%) >> leaves (8-27%) > stems (7-16%) > rhizomes (4-7%). Environ Toxicol Chem 2019;38:321-328. C 2018 SETAC

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Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Bioavailability of mercury in contaminated soils assessed by the diffusive gradient in thin film technique in relation to uptake by Miscanthus × giganteus

Ridošková

Pelfrêne

Douay

et al. 2019

Enviro Toxic and Chemistry

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“…The fourth fraction is inorganic phosphate residue. Organic phosphate levels are obtained from the difference in total P levels to the sum of the levels of each fraction [23]. From the data in Table 3, it is shown that the largest phosphorus fraction in the sediments of Bogor Botanical Garden Lake was organic phosphorus and the second largest fraction was phosphorus bound by Fe.…”

Section: Sediment Characterizationmentioning

confidence: 99%

The Study of Phosphate Release from Artificial Sediment into Water Body Using Diffusive Gradient in Thin Film (DGT) Device in Oxic Condition

et al. 2020

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The phenomenon of phosphate release in sediments into water bodies under oxic environment has been investigated using the Diffusive Gradient in Thin Film (DGT) technique. This research consists of several stages: polymer synthesis and DGT probe assembly, sediment sampling, DGT deployment in oxic conditions, and phosphate analysis from DGT adsorption results. Acrylamide polymer was successfully synthesized with a composition of 15% acrylamide; N-N'-methylenebisacrylamide 0.1% and ferrihydrite as binding gels. DGT probes were assembled by placing a 16 x 3.2 cm polyacrylamide gel, binding gels and filter membranes on the DGT probes. The sediment sample was taken from the Bogor Botanical Gardens at the coordinates 6°36'00.6" S; 106°47'51.0" E. The DGT probe was placed in sediment samples for 1, 3 and 7 days in oxic conditions. After the prescribed time, the binding gel was removed and cut every 1 cm depth, then eluted using 0.25 M H2SO4 and the phosphate concentration was measured using spectrophotometry method. The results showed that the phosphate concentration tends to be higher with the increasing incubation time and depth. Maximum CDGT phosphate released on day 1, day 3 and day 7 were 1.00 µg/L at a depth of 14 cm, 6.61 µg/L at a depth of 14 cm, and 20.92 µg/L at a depth of 11 cm, respectively. This ensures that the phosphate in water bodies comes from biogeochemical processes that occur in sediments and is successfully measured through DGT techniques.

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“…Previous studies have shown that thiomersal reacts with commonly used sulfur containing ion pair reagents used in HPLC for Hg speciation, e.g. 150 The DGTFs were prepared using a cation exchange resin, either Duolite GT73 or Ambersep GT74 each of which contain thiol functional groups, acrylamide and agarose with full details given in the paper. To avoid this decomposition a step gradient elution, with a mobile phase of 0.1% formic acid for 5 min to allow the thiomersal to elute, followed by 0.1% formic acid + 0.1% 2-mercaptoethanol for 10 min, both at 1.0 mL min À1 , was used.…”

Section: Mercurymentioning

confidence: 99%

Atomic Spectrometry Update: review of advances in elemental speciation

Clough

Harrington

Hill

et al. 2016

J. Anal. At. Spectrom.

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Determination of mercury species by the diffusive gradient in thin film technique and liquid chromatography – atomic fluorescence spectrometry after microwave extraction

Cited by 49 publications

References 11 publications

Bioavailability of mercury in contaminated soils assessed by the diffusive gradient in thin film technique in relation to uptake by Miscanthus × giganteus

Bioavailability of mercury in contaminated soils assessed by the diffusive gradient in thin film technique in relation to uptake by Miscanthus × giganteus

The Study of Phosphate Release from Artificial Sediment into Water Body Using Diffusive Gradient in Thin Film (DGT) Device in Oxic Condition

Atomic Spectrometry Update: review of advances in elemental speciation

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