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Interaction of mercury(II) with humic substances from the Rio Negro (Amazonas State, Brazil) by means of an ion exchange procedure
(1998-12-01)
The aquatic humic substances (HS) investigated in this study with respect to their binding capability towards mercury(II) were isolated from the river Rio Negro, Amazonas State - Brazil, by means of the adsorbent XAD 8. ...
Interaction of mercury(II) with humic substances from the Rio Negro (Amazonas State, Brazil) by means of an ion exchange procedure
(1998-12-01)
The aquatic humic substances (HS) investigated in this study with respect to their binding capability towards mercury(II) were isolated from the river Rio Negro, Amazonas State - Brazil, by means of the adsorbent XAD 8. ...
Desenvolvimento e avaliação de sistema em fluxo para especiação de mercúrio
(Universidade Federal de Santa MariaBRQuímicaUFSMPrograma de Pós-Graduação em Química, 2007-01-29)
A flow injection (FI) system, which is coupled to an atomic absorption spectrometer, is proposed for organic and inorganic mercury speciation. The FI system consists basically of three three way-solenoid valves, a gas/liquid ...
Online solid phase extraction-HPLC-ICP-MS system for mercury and methylmercury preconcentration using functionalised carbon nanotubes for their determination in dietary supplements
(Royal Society of Chemistry, 2018-10)
A hyphenated system was developed for Hg(ii) and methylmercury (MeHg) preconcentration and speciation analysis by the online coupling of solid phase extraction (SPE), high performance liquid chromatography (HPLC) and ...
Scanned stripping chronopotentiometry at bismuth film rotating disc electrodes: a method for quantitative dynamic metal speciation
(CSIRO Publishing, 2014-01-01)
Environmental contextElectroanalytical methods have found wide application in trace metal speciation analysis in environmental systems. The need to find functional alternatives to mercury electrodes for in situ speciation ...
Mercury in the Waters of the Jundiai River, SP, Brazil: The Role of Dissolved Organic Matter
(SpringerNew YorkEUA, 2012)
Detection of mercury species by HPLC using 2-mercaptopropionic acid as complex agent.
(Asociación Química Argentina, 2013-09)
Se desarrolló un nuevo método de cromatografía líquida de alto rendimiento (HPLC) útil en el tratamiento de acetato y cloruro de fenilmercurio por fotocatálisis heterogénea sobre TiO2 bajo irradiación UV. El método utiliza ...
Hybrid ionic liquid-3D graphene-Ni foam for on-line preconcentration and separation of Hg species in water with atomic fluorescence spectrometry detection
(Elsevier, 2020-04-01)
A preconcentration method based on a novel hybrid sorption nanomaterial consisting in a 3D graphene-Ni foam functionalized with an ionic liquid (IL) was developed for Hg species determination. The capability of different ...