Determination of Hg(II) in Environmental Water Samples Using DLLME Method Prior to GC-FID

Yazdi, Ali Sarafraz; Ostad, Maryam Abedi; Mofazzeli, Farideh

doi:10.1007/s10337-013-2468-9

Cited by 5 publications

(3 citation statements)

References 14 publications

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“…DLLME with phenylboronic acid derivatization was also employed for detection of Hg 2+ with a much simpler and field deployable flame ionization detector (FID). The LOD reported was 4 μg L –1 (20 nM) …”

Section: Analytical Methodology For Speciation Of Reactive Mercury Sp...mentioning

confidence: 99%

“…The LOD reported was 4 μg L −1 (20 nM). 81 Time-of-flight mass spectrometry (GC−TOFMS) was employed to determine the very toxic MeHg with an LOD of 1.86 pg (absolute). Cartridges filled with Tenax TA and Carbopack B were used for collection and preconcentration and thermally desorbed into the GC−TOFMS system.…”

Section: Determination Of Oxidized Mercury Species In Water and Soilmentioning

confidence: 99%

See 1 more Smart Citation

Mercury Physicochemical and Biogeochemical Transformation in the Atmosphere and at Atmospheric Interfaces: A Review and Future Directions

Ariya¹,

et al. 2015

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Hg 0 + I 2 → HgI 2 Absolute N 2 , 1 atm 296 ± 1 < (1.27 ± 0.58) × 10 -19 Raofie et al. 2 M06-2X/aug-cc-pVTZ-PP High pressure limit 3.94 × 10 -14 T 1.06 e -159080/RT Auzmendi-Murua et al. 3 Hg 0 + I → HgI RRKM/B3LYP N 2 , 1 atm 180-400 4.0 × 10 -13 (T/298) -2.38 Goodsite et al. 4 Hg 0 + Br 2 → HgBr 2 Absolute Air, N 2 , 1 atm 298 ± 1 < (9 ± 2) × 10 -17 Ariya et al. 5 Absolute Air, 1 atm ∼298 No reaction detected Sumner et al. 6 Absolute Air, 1 atm 296 (6.0 ± 0.5) × 10 -17 Liu et al. 7 CCSD(T)/AVTZ 1 atm 298-2000 1.62 -9 e -110800/RT Wilcox and Okano 8 M06-2X/aug-cc-pVTZ-PP High pressure limit 4.70 × 10 -14 T 1.06 e -169190/RT Auzmendi-Murua et al. 3 Hg 0 + BrO → HgBrO Relative N 2 , 1 atm 298 10 -15 < k < 10 -13 Raofie and Ariya 9 Hg 0 + Br → HgBr Ab initio N/A, 1 atm 1.01 × 10 -12 e 1738/RT Khalizov et al. 10 RRKM/B3LYP N 2 , 1 atm 200-300 3.7 × 10 -13 (T/298) -2.76 Goodsite et al. 4 ; Goodsite et al. 11 Absolute N 2 , 0.26-0.79 atm 243-293 (1.46 ± 0.36) × 10 -32 [cm 6 molec -2 s -1 ] Donohoue et al. 12 (T/298) (-1.86±1.49) CCSD(T) Ar, 1 atm 260 1.2 × 10 -12 Shepler et al. 13 Relative Air, N 2 , 1 atm 298 ± 1 (3.2 ± 0.9) × 10 -12 Ariya et al. 5 Absolute CF 3 Br, 0.26 atm 397 ~3 × 10 -16 molec -1 s -1 Greig, G. et al. 14 CCSD(T)/AVTZ 1 atm 298-2000 6.64 × 10 -14 (T/298) -0.859 Wilcox and Okano HgBr + Br → HgBr 2 Absolute CF 3 Br, 0.26 atm 397 ~7 × 10 -14 Greig, G. et al. 14 RRKM/B3LYP N 2 , 1 atm 180-400 2.5 × 10 -10 (T/298) -0.57 Goodsite et al. 4 CCSD(T)/AVTZ 1 atm 298-2000 3.32 × 10 -12 (T/298) -9.18 Wilcox and Okano CCSD(T)/aVTZ 1 atm 298 6.33 × 10 -11 Dibble et al. 15 ; Wang et al.

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Section: Analytical Methodology For Speciation Of Reactive Mercury Sp...mentioning

confidence: 99%

Section: Determination Of Oxidized Mercury Species In Water and Soilmentioning

confidence: 99%

Mercury Physicochemical and Biogeochemical Transformation in the Atmosphere and at Atmospheric Interfaces: A Review and Future Directions

Ariya¹,

et al. 2015

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“…These include * Correspondence: jana.skrlikova@googlemail.com dispersive liquid-liquid microextraction (DLLME), 15,16 ionic liquid-based dispersive liquid-liquid microextraction (IL-DLLME), 17 dispersive liquid-liquid microextraction based on solidification of floating organic drop (DLLME-SFO), 18 surfactant-assisted dispersive liquid-liquid microextraction based on the solidification of the floating organic drop (SA-DLLME-SFO), 19 one-step displacement dispersive liquid-liquid microextraction (D-DLLME), 20 dispersive liquid-phase microextraction (DLPME), 21 task-specific ionic liquid-based ultrasoundassisted dispersive liquid-phase microextraction (UA-IL-DLPME), 22 and ionic liquid-based vortex assisted liquid-liquid microextraction (IL-VALLME) 23 coupled with a variety of spectrometric detection techniques, such as graphite furnace atomic absorption spectrometry (GFAAS), 18−20 flame atomic absorption spectrometry (FAAS), 21 cold vapor atomic absorption spectrometry (CV-AAS), 15,22 flow injection-hydride generation/cold vapor atomic absorption spectroscopy (FI-HG/CV-AAS), 17 cold vapor atomic fluorescence spectroscopic detection (CV-AFS), 23 and inductively coupled plasma atomic emission spectrometry (ICP-AES). 16 Besides the above-mentioned spectrometric detection techniques, the combination of DLLME, 24,25 IL-DLLME, 26−28 VALLME, 29 and IL-VALLME 30 with various chromatographic techniques, such as HPLC-ICP-MS, 24,26 HPLC-UV, 27 HPLC-CV-AFS, 29,30 HPLC-HG-AFS, 28 and GC-FID, 25 has also been described. The combination of solvent microextraction for mercury determination with other techniques, such as capillary electrophoresis, 31,32 electrochemical detections, 33−35 and corona discharge ionization ion mobility spectrometry, 36 occurs to a lesser extent.…”

Section: Introductionmentioning

confidence: 99%

Spectrophotometric determination of mercury using vortex-assisted liquid--liquid microextraction

Antolova¹,

Zaruba²,

Šandrejová³

et al. 2016

Turk J Chem

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A novel method for the determination of mercury(II) is suggested. The procedure is based on the formation of an ion associate between the bromide complex of Hg(II) and Astrazon Red 6B dye and vortex-assisted liquid-liquid microextraction of the ion associate formed, with subsequent spectrophotometric detection. The variables that affect the procedure, such as pH, the concentration of ligand and dye, the type and volume of extraction solvent, and the rate and time of vortex mixing, were optimized. Under optimum conditions (pH 2.0, 0.01 mol L −1 KBr, 2 × 10 −4 mol L −1 AR6B, 50 µ L of the extraction mixture toluene:dichlorethane, 4:1, v:v, vortex mixing for 100 s at 1600 rpm) the linear range was 8 to 200 µ g L −1 Hg(II), with the limit of detection at 1.5 µ g L −1. The method was applied to the determination of mercury in water samples.

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Ultra-trace mercury determination in seawater after vortex-assisted liquid-liquid micro-extraction

Conchado-Amado

Sánchez-Piñero

Moreda–Piñeiro

et al. 2023

Spectrochimica Acta Part B: Atomic Spectroscopy

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Determination of Hg(II) in Environmental Water Samples Using DLLME Method Prior to GC-FID

Cited by 5 publications

References 14 publications

Mercury Physicochemical and Biogeochemical Transformation in the Atmosphere and at Atmospheric Interfaces: A Review and Future Directions

Mercury Physicochemical and Biogeochemical Transformation in the Atmosphere and at Atmospheric Interfaces: A Review and Future Directions

Spectrophotometric determination of mercury using vortex-assisted liquid--liquid microextraction

Ultra-trace mercury determination in seawater after vortex-assisted liquid-liquid micro-extraction

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