Lead speciation in rainwater samples by modified fused silica capillaries coupled to a direct injection nebulizer (DIN) for sample introduction in ICP-MS

García-Sánchez, Raquel; Feldhaus, Rainer; Bettmer, Jörg; Ebdon, Les

doi:10.1039/b104439g

Cited by 26 publications

(11 citation statements)

References 18 publications

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“…The use of these activated silica capillaries in combination with the DIN also mitigated the interferences caused by HfO + for the determination of Pt [208]. With a similar approach, García-Sánchez et al [209] carried out speciation of lead in rainwater samples. With a capillary containing a strong anion exchanger, the interferences caused by ClO + ions on 51 V were virtually eliminated, and two vanadium oxidation states (i.e., V(IV) and V(V)) were separated [210].…”

Section: Direct Injection Nebulizer (Din)mentioning

confidence: 99%

Sample introduction systems for the analysis of liquid microsamples by ICP-AES and ICP-MS

Todolı́

Mermet²

2006

Spectrochimica Acta Part B: Atomic Spectroscopy

131

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Section: Direct Injection Nebulizer (Din)mentioning

confidence: 99%

Sample introduction systems for the analysis of liquid microsamples by ICP-AES and ICP-MS

Todolı́

Mermet²

2006

Spectrochimica Acta Part B: Atomic Spectroscopy

131

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“…Acute and chronic poisoning involves the respiratory, gastro-intestinal, conjunctivitis, hyperkeratosis, hyperpigmentation and cardiovascular diseases, and disturbances in the peripheral vascular and nervous systems. 11 Arsenic is carcinogenic and may cause lung cancer, bladder cancer, liver cancer, renal cancer, and skin cancer. 12 In view of these facts, the speciation of As is most important for the assessment of toxicological and environmental impacts of As.…”

Section: Introductionmentioning

confidence: 99%

Inorganic Arsenic Speciation in Groundwater Samples Using Electrothermal Atomic Spectrometry Following Selective Separation and Cloud Point Extraction

et al. 2011

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A method has been developed for speciation of total, total inorganic and organic arsenic (As) species in groundwater samples. The inorganic species of As (III,V) were separated from organic forms by adsorbing on alumina (Al2O3) whereas the organic As was eluted out. The retained inorganic As species was eluted by 0.2 M HCl. Then eluent As III and As V were formed as complexes with ammonium pyrrolidinedithiocarbamate (APDC) and molybdate, respectively. Then As III -PDC and As V -molybdate complexes were quantitatively extracted into a non-ionic surfactant Triton X-114. The total As was determined by conventional preconcentration procedures. The resulting solutions of each method were determined by ETAAS with modifier. The main factors affecting the separation and cloud point extraction (CPE) were investigated in detail. The limits of detection values were found as 0.04 and 0.20 μg L -1 for As III and As V , respectively, whereas limits of quantification were observed as 0.13 and 0.33 μg L -1 for As III and As V , respectively. Standard addition method confirmed the accuracy. The recoveries of As III and As V were found in the range of 98 -99%. The proposed method was applied to groundwater samples collected from different areas of Sukkur district.

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“…Malik and co‐workers23 utilized two different types of sol‐gel, sol‐gel poly(dimethylsiloxane) (PDMS) and sol‐gel poly(ethylene glycol) (PEG), coated capillaries for the extraction and preconcentration of a wide variety of polar and nonpolar analytes by using an in‐house‐assembled gravity‐fed sample dispensing unit. Similarly, on‐line interference removal in ICP‐MS25 and speciation by modified fused‐silica capillaries26 are also involved in inorganic analysis.…”

Section: Isotopes Of Interest and Potential Polyatomic Interferences mentioning

confidence: 99%

Sol‐gel zirconia coating capillary microextraction on‐line hyphenated with inductively coupled plasma mass spectrometry for the determination of Cr, Cu, Cd and Pb in biological samples

Jiang

et al. 2006

Rapid Comm Mass Spectrometry

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A sol-gel zirconia coating was developed for the preconcentration/separation of trace Cr, Cu, Cd and Pb by capillary microextraction, and the adsorbed analytes were on-line eluted for detection using inductively coupled plasma mass spectrometry (ICP-MS). By immobilizing sol-gel zirconia on the inner surface of a fused-silica capillary, the sol-gel zirconia coating was simply prepared. Its adsorption properties, stability and the factors affecting the adsorption behaviors of Cr, Cu, Cd and Pb were investigated in detail. In the pH range from 7.8 to 10, the zirconia-coated capillary (35 cm x 0.15 mm) is selective towards Cr, Cu, Cd and Pb, and the analyzed ions could be desorbed quantitatively with 0.2 mL of 0.5 mol/L HNO(3) at a rate of 0.2 mL/min. With a consumption of 1.25 mL sample solution, an enrichment factor of 6.25, and detection limits (3sigma) of 9.9 pg/mL Cr, 17.9 pg/mL Cu, 4.5 pg/mL Cd and 3.7 pg/mL Pb were obtained. The precisions for nine replicate measurements of 1 ng/mL Cr, Cu, Cd and Pb were 4.9% Cr, 2.2% Cu, 2.0% Cd and 3.2% Pb (RSD), respectively. The proposed procedure has been applied to the determination of Cr, Cu, Cd and Pb in human urine, which was subjected to microwave-assisted digestion prior to analysis, and the recoveries for these elements were 89.2-101.8%. In order to validate the developed procedure, a NIES No.10-a Rice Flour-Unpolished certified reference material and a BCR No. 184 Bovine Muscle certified reference material were analyzed, and the results are in good agreement with the certified values.

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Lead speciation in rainwater samples by modified fused silica capillaries coupled to a direct injection nebulizer (DIN) for sample introduction in ICP-MS

Cited by 26 publications

References 18 publications

Sample introduction systems for the analysis of liquid microsamples by ICP-AES and ICP-MS

Sample introduction systems for the analysis of liquid microsamples by ICP-AES and ICP-MS

Inorganic Arsenic Speciation in Groundwater Samples Using Electrothermal Atomic Spectrometry Following Selective Separation and Cloud Point Extraction

Sol‐gel zirconia coating capillary microextraction on‐line hyphenated with inductively coupled plasma mass spectrometry for the determination of Cr, Cu, Cd and Pb in biological samples

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