Search Results - "Berg, Constant M. G."

Metal Complexation by Humic Substances in Seawater by Yang, Rujun, van den Berg, Constant M. G

“…We determined the complex stability of copper, zinc, cobalt, and aluminum with humic acid (HA) and fulvic acid (FA) in pH 8 seawater. The method is based on…”
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Voltammetric Detection of Mercury and Copper in Seawater Using a Gold Microwire Electrode by Salaün, Pascal, van den Berg, Constant M. G

“…A procedure is presented by which mercury and copper are determined simultaneously in seawater and dilute acid (0.01 M HCl) by anodic stripping voltammetry…”
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Simultaneous electrochemical determination of arsenic, copper, lead and mercury in unpolluted fresh waters using a vibrating gold microwire electrode by Alves, Georgina M.S., Magalhães, Júlia M.C.S., Salaün, Pascal, van den Berg, Constant M.G., Soares, Helena M.V.M.

“…[Display omitted] ► Simultaneous DPASV determination of four metals with a vibrating gold microwire. ► Multi-element detection in the presence of oxygen with…”
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Inorganic arsenic speciation in water and seawater by anodic stripping voltammetry with a gold microelectrode by Salaün, Pascal, Planer-Friedrich, Britta, van den Berg, Constant M.G.

“…The determination of arsenic in sea and freshwater by anodic stripping voltammetry (ASV) was revisited because of problems related to unstable peaks and…”
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Chemical Speciation of Iron in Seawater by Cathodic Stripping Voltammetry with Dihydroxynaphthalene by van den Berg, Constant M. G

“…The chemical speciation of iron in seawater is determined by cathodic stripping voltammetry using 2,3-dihydroxynaphthalene (DHN) as adsorptive and competing…”
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Determination of arsenic and antimony in seawater by voltammetric and chronopotentiometric stripping using a vibrated gold microwire electrode by Salaün, Pascal, Gibbon-Walsh, Kristopher B., Alves, Georgina M.S., Soares, Helena M.V.M., van den Berg, Constant M.G.

“…[Display omitted] ► Inorganic speciation of arsenic and antimony in seawater at a gold electrode. ► Sensitive methods both in relatively low acidic and in…”
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Arsenic speciation in natural waters by cathodic stripping voltammetry by Gibbon-Walsh, Kristoff, Salaün, Pascal, van den Berg, Constant M.G.

“…Contamination of groundwater with arsenic (As) is a major health risk through contamination of drinking and irrigation water supplies. In geochemically…”
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Beyond the Hydrogen Wave: New Frontier in the Detection of Trace Elements by Stripping Voltammetry by Salaün, Pascal, Gibbon-Walsh, Kristoff, van den Berg, Constant M.G

“…Stripping voltammetry is limited in acidic conditions to relatively high deposition potentials because of the interfering effects of the hydrogen produced at…”
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Voltammetric determination of arsenic in high iron and manganese groundwaters by Gibbon-Walsh, Kristoff, Salaün, Pascal, Uroic, M. Kalle, Feldmann, Joerg, McArthur, John M., van den Berg, Constant M.G.

“…Determination of the speciation of arsenic in groundwaters, using cathodic stripping voltammetry (CSV), is severely hampered by high levels of iron and…”
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Sulfide determination in hydrothermal seawater samples using a vibrating gold micro-wire electrode in conjunction with stripping chronopotentiometry by Aumond, Virginie, Waeles, Matthieu, Salaün, Pascal, Gibbon-Walsh, Kristoff, van den Berg, Constant M.G., Sarradin, Pierre-Marie, Riso, Ricardo D.

“…A rapid electrochemical stripping chronopotentiometric procedure to determined sulfide in unaltered hydrothermal seawater samples is presented. Sulfide is…”
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Chemical speciation of iron in seawater using catalytic cathodic stripping voltammetry with ligand competition against salicylaldoxime by Abualhaija, Mahmoud M., van den Berg, Constant M.G.

“…The chemical speciation of iron in seawater is typically determined by cathodic stripping voltammetry (CSV) making use of ligand competition between an…”
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Advantages of using a mercury coated, micro-wire, electrode in adsorptive cathodic stripping voltammetry by Gun, Jenny, Salaün, Pascal, van den Berg, Constant M.G.

“…A mercury coated, gold, micro-wire electrode is used here for the determination of iron in seawater by catalytic cathodic stripping voltammetry (CSV) with a…”
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Evidence for Geochemical Control of Iron by Humic Substances in Seawater by Laglera, Luis M., van den Berg, Constant M. G.

“…A new method, based on the direct detection of iron-humic substance (HS) species by cathodic stripping voltammetry (CSV), is used to determine the iron binding…”
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Wavelength Dependence of the Photochemical Reduction of Iron in Arctic Seawater by Laglera, Luis M, van den Berg, Constant M. G

“…Chemiluminescence measurements of the photochemical reduction of iron in cold, high-latitude waters (79 °N) show that a significant fraction (20%) of the…”
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Determination of arsenate in natural pH seawater using a manganese-coated gold microwire electrode by Gibbon-Walsh, Kristoff, Salaün, Pascal, van den Berg, Constant M.G.

“…[Display omitted] ► Determination of arsenic(V) in water of neutral pH. ► An unusual redox couple of elemental Mn/As V reduces As V to As III. ► Novel…”
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Determination of humic substances in natural waters by cathodic stripping voltammetry of their complexes with iron by Laglera, Luis M., Battaglia, Gianluca, van den Berg, Constant M.G.

“…A new voltammetric method is presented for the measurement of humic substances (HS) in natural waters. The method is based on catalytic cathodic stripping…”
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Copper speciation in continental inputs to the Vigo Ria: Sewage discharges versus river fluxes by Santos-Echeandia, Juan, Laglera, Luis M., Prego, Ricardo, van den Berg, Constant M.G.

“…Continental inputs of copper via rivers and sewage into the Vigo Ria were evaluated. The main fluvial input is not contaminated and the most degraded…”
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Organic speciation of dissolved iron in estuarine and coastal waters at multiple analytical windows by Mahmood, Abida, Abualhaija, Mahmoud M., van den Berg, Constant M.G., Sander, Sylvia G.

“…Here we use cathodic stripping voltammetry with competitive ligand exchange (CLE–CSV) to determine the speciation of Fe in samples from the Mersey River…”
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Effect of humic substances on the iron speciation in natural waters by CLE/CSV by Laglera, Luis M., Battaglia, Gianluca, van den Berg, Constant M.G.

“…Humic substances (HS), the main hydrophobic component of dissolved organic matter, are present in all natural waters and are known to interact strongly with…”
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Determination of Metal Speciation by Reverse Titrations by Nuester, Jochen, van den Berg, Constant M. G

“…A new method is proposed to determine metal speciation by varying the concentration of a competing ligand at a constant metal concentration, with detection by…”
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