The speciation of mercury and organomercury compounds by using high-performance liquid chromatography

Harrington, Chris F.

doi:10.1016/s0165-9936(99)00190-9

Cited by 142 publications

(63 citation statements)

References 51 publications

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“…Such techniques include selective extraction in an organic solvent, extraction via complex formation followed by separation by gas chromatography [8,9] or high-performance liquid chromatography [10,11] combined with a detection technique such as atomic emission [12,13], absorption [14,15] or fluorescence spectrometry [16,17], inductively coupled plasma mass spectrometry [18,19] or electrochemical methods, like amperometry [20] or coulometry [21].…”

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confidence: 99%

Voltammetric determination of methylmercury and inorganic mercury with an home made gold nanoparticle electrode

et al. 2009

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This study outlines the development of a procedure for the determination of methylmercury by anodic stripping voltammetry at a gold nanoparticle-modified glassy carbon electrode (AuNPs-GCE) and for the differentiation between methylmercury and inorganic mercury. The signal of methylmercury was measured in the square wave mode using HCl as the supporting electrolyte. The procedure had good accuracy, repeatability and linearity. The determination of total mercury in solutions containing both methylmercury and inorganic mercury was performed after converting the former into the inorganic form. Different sample solution pre-treatments were tested for this purpose, and an acid digestion in a microwave oven with HNO 3 and H 2 O 2 was found to be the most effective. The selective determination of methylmercury in the presence of inorganic mercury was possible after masking the latter through reduction to the elemental state with SnCl 2 . The amount of inorganic mercury was determined by difference.

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confidence: 99%

Voltammetric determination of methylmercury and inorganic mercury with an home made gold nanoparticle electrode

et al. 2009

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“…The assessment of environmental impact, predictions of mobility of mercury in the environment or evaluation of concentrations in removal technologies require the speciation of the element. For this purpose, inorganic and organic mercury species have been separated by GC or HPLC 32,33 and references therein. GC techniques require long clean-up procedures, and several organomercury compounds are thermally stable or strongly retained by the columns26.…”

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confidence: 99%

Extractive Spectrophotometric Determination of Trace Hg (II) in Eye Drops and Ayurvedic Medicines Using Pyridine 2-Carboxaldehyde 2-Hydroxybenzoylhydrazone

Bale¹,

Sawant²,

Shaikh³

et al. 2017

IOSR JAC

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“…Also, mercaptoethanol was usually used as an effective mobile phase component to improve the HPLC separation of mercury species [12]. Therefore, for the purpose of simplified instrumentation, it is a good choice to use UV-CVG based on mercaptoethanol as interface of HPLC and atomic spectrometry.…”

Section: Introductionmentioning

confidence: 99%

Mercury speciation by a high performance liquid chromatography—atomic fluorescence spectrometry hyphenated system with photo-induced chemical vapour generation reagent in the mobile phase

Yin

Liu

et al. 2009

Microchim Acta

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Speciation of mercury was accomplished by using a simple interface with photo-induced chemical vapour generation in a high performance liquid chromatography-atomic fluorescence spectrometry (HPLC-AFS) hyphenated system. Acetic acid and 2-mercaptoethanol in the mobile phase were used as photochemical reagent. The operating parameters were optimized to give limits of detection of 0.53 µg L −1 , 0.22 µg L −1 , 0.18 µg L −1 and 0.25 µg L −1 for inorganic mercury, methylmercury, ethylmercury and phenylmercury, respectively. The method was validated with the certified reference material DORM-2 and applied to the analysis of seafood samples. The HPLC-AFS hyphenated system is simple, environmentally friendly, and represents an attractive alternative to the conventional peroxothiosulfate-borohydride method.

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The speciation of mercury and organomercury compounds by using high-performance liquid chromatography

Cited by 142 publications

References 51 publications

Voltammetric determination of methylmercury and inorganic mercury with an home made gold nanoparticle electrode

Voltammetric determination of methylmercury and inorganic mercury with an home made gold nanoparticle electrode

Extractive Spectrophotometric Determination of Trace Hg (II) in Eye Drops and Ayurvedic Medicines Using Pyridine 2-Carboxaldehyde 2-Hydroxybenzoylhydrazone

Mercury speciation by a high performance liquid chromatography—atomic fluorescence spectrometry hyphenated system with photo-induced chemical vapour generation reagent in the mobile phase

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