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Harrington JM, Haines LG, Essader AS, Liyanapatirana C, Poitras EA, Weber FX, Levine KE, Fernando RA, Robinson VG, Waidyanatha S. Quantitation of Total Vanadium in Rodent Plasma and Urine by Inductively Coupled Plasma - Mass Spectrometry (ICP-MS). ANAL LETT 2021; 54:2777-2788. [PMID: 34898679 DOI: 10.1080/00032719.2021.1890107] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Human exposure to vanadium (V) is anticipated because it is a drinking water contaminant. Due to limited data on soluble V salts, the National Toxicology Program is investigating the toxicity in rodents following drinking water exposure. Measurement of internal V dose allows for interpretation of toxicology data. The objective of this study was to develop and validate an inductively coupled plasma-mass spectrometric method to quantitate total V in rat plasma. The method was linear (r ≥ 0.99) from 5.00 - 1,000 ng V/mL. Intra- and inter-day relative error (% RE) and relative standard deviation (% RSD) of spiked plasma samples were 8.5% - 15.6% RE and ≤ 1.8% RSD and 7.3% - 11.7% RE and ≤ 3.1% RSD, respectively. The limit of detection was 0.268 ng V/mL plasma and absolute percent recovery was 113%. Standards up to 7,500 ng V/mL plasma were diluted into the validated range (5.6% RE, 0.9% RSD). V in extracted plasma samples over 15 days at ambient and refrigerated conditions was from 97.7 - 126% of day 0. Determined plasma V concentrations after three freeze-thaw cycles and after frozen storage for up to 63 days ranged from 100 - 106% and 100 - 122% of day 0, respectively. The method was extended to rat urine (accuracy and precision -2.0 - 0.3% RE and <0.6% RSD, respectively for same linear range). These data demonstrate that the method is suitable to quantitate V in rat plasma and urine.
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Affiliation(s)
| | - Laura G Haines
- Analytical Sciences, RTI International, Research Triangle Park, NC, USA
| | - Amal S Essader
- Analytical Sciences, RTI International, Research Triangle Park, NC, USA
| | | | - Eric A Poitras
- Analytical Sciences, RTI International, Research Triangle Park, NC, USA
| | - Frank X Weber
- Analytical Sciences, RTI International, Research Triangle Park, NC, USA
| | - Keith E Levine
- Analytical Sciences, RTI International, Research Triangle Park, NC, USA
| | - Reshan A Fernando
- Analytical Sciences, RTI International, Research Triangle Park, NC, USA
| | - Veronica G Robinson
- Division of the National Toxicology Program, National Institute of Environmental Health Sciences, Research Triangle Park, NC, USA
| | - Suramya Waidyanatha
- Division of the National Toxicology Program, National Institute of Environmental Health Sciences, Research Triangle Park, NC, USA
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Michaud SE, Riehs MT, Feng WJ, Lin CC, McCrory CCL. A CoV 2O 4 precatalyst for the oxygen evolution reaction: highlighting the importance of postmortem electrocatalyst characterization. Chem Commun (Camb) 2021; 57:883-886. [PMID: 33399146 DOI: 10.1039/d0cc06513g] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Vanadium-doped cobalt oxide materials have emerged as a promising class of catalysts for the oxygen evolution reaction. Previous studies suggest vanadium doping in crystalline Co spinel materials tunes the electronic structure and stabilizes surface intermediates. We report a CoV2O4 material that shows good activity for the oxygen evolution reaction. However, postmortem characterization of the catalyst material shows dissolution of vanadium resulting in an amorphous CoOx material, suggesting that this vanadium-free material, and not CoV2O4, is the active catalyst. This study highlights the importance of postmortem characterization prior to mechanistic and computational analysis for this class of materials.
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Affiliation(s)
- Samuel E Michaud
- Department of Chemistry, University of Michigan, Ann Arbor, Michigan 48109, USA.
| | - Michael T Riehs
- Department of Chemistry, University of Michigan, Ann Arbor, Michigan 48109, USA.
| | - Wei-Jie Feng
- Macromolecular Science and Engineering Program, University of Michigan, Ann Arbor, Michigan 48109, USA
| | - Chia-Cheng Lin
- Department of Chemistry, University of Michigan, Ann Arbor, Michigan 48109, USA. and Institute of Mineral Resources Engineering, Department of Materials and Mineral Resources Engineering, National Taipei University of Technology, Taipei 10608, Taiwan.
| | - Charles C L McCrory
- Department of Chemistry, University of Michigan, Ann Arbor, Michigan 48109, USA. and Macromolecular Science and Engineering Program, University of Michigan, Ann Arbor, Michigan 48109, USA
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Wear and Corrosion Resistance of Chromium–Vanadium Carbide Coatings Produced via Thermo-Reactive Deposition. COATINGS 2019. [DOI: 10.3390/coatings9040215] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Chromium carbide, vanadium carbide, and chromium–vanadium mixture coatings were deposited on AISI D2 steel via the thermo-reactive deposition/diffusion (TRD) technique. The carbides were obtained from a salt bath composed of molten borax, ferro-chrome, ferro-vanadium, and aluminum at 1020 °C for 4 h. Analysis of the morphology and microstructure of the coatings was done via scanning electron microscopy (SEM) and X-ray diffraction (XRD), respectively. The hardness of the coatings was evaluated using nano-indentation, and the friction coefficient was determined via pin-on-disk (POD) testing. The electrochemical behavior was studied through potentiodynamic polarization tests and electrochemical impedance spectroscopy (EIS). The XRD results show evidence of the presence of V8C7 in the vanadium carbide coating and Cr23C6 and Cr7C3 in the chromium carbide coating. The hardness value for the vanadium–chromium carbide coating was 23 GPa, which was higher than the 6.70 ± 0.28 GPa for the uncoated steel. The wear and corrosion resistance obtained was higher for the niobium–chromium carbide coating, due to the nature of the ceramic carbide produced.
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Two-dimensional vanadium carbide (V2C) MXene as electrode for supercapacitors with aqueous electrolytes. Electrochem commun 2018. [DOI: 10.1016/j.elecom.2018.10.012] [Citation(s) in RCA: 96] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022] Open
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Deniz ABDC, Valt RBG, Kaminari NMS, Ponte MJJDS, Ponte HDA. Parameters of an electrokinetic reactor design for vanadium recovery from fluid catalytic cracking catalysts. Sep Purif Technol 2018. [DOI: 10.1016/j.seppur.2017.10.057] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Kilibarda N, Afton SE, Harrington JM, Yan F, Levine KE. Rapid speciation and determination of vanadium compounds using ion-pair reversed-phase ultra-high-performance liquid chromatography inductively coupled plasma-sector field mass spectrometry. J Chromatogr A 2013; 1304:121-6. [PMID: 23871564 DOI: 10.1016/j.chroma.2013.06.074] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2013] [Revised: 06/18/2013] [Accepted: 06/28/2013] [Indexed: 11/15/2022]
Abstract
Environmental vanadium contamination is a potential concern to public health, as evidenced by its place on the U.S. Environmental Protection Agency Drinking Water Contaminant Candidate List as a priority contaminant. Vanadium toxicity varies significantly between different oxidation states; therefore, it is crucial to be able to monitor the speciation of vanadium in environmental samples. In this study, a novel method is described that utilizes ion-pair reversed-phase ultra-high-performance liquid chromatography with inductively coupled plasma-sector field mass spectrometry (IP-RP-UHPLC-ICP-SFMS) to separate vanadyl and vanadate ions and resolve a major polyatomic spectral interference ((35)Cl(16)O(+)) in less than a minute. Detection limits were obtained in the low ngL(-1) (part per trillion) range with linear calibrations across several orders of magnitude (50ngL(-1)-100μgL(-1)). The mechanism of chromatographic retention was elucidated through investigation of the role of ethylenediaminetetraacetic acid, tetrabutylammonium ion and pH on elution. The optimized method was then applied to the speciation of vanadium in local lake water samples.
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Affiliation(s)
- Nikola Kilibarda
- Department of Chemistry, North Carolina Central University, Durham, NC 27707, USA
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Badawy WA, El-Rabiei MM, Helal NH, Nady HM. Electrochemical Behavior and Stability of Cu-Al-Ni Alloys in NaOH Solutions. Z PHYS CHEM 2013. [DOI: 10.1524/zpch.2012.0347] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Badawy W, El-Rabiee M, Helal N, Nady H. The role of Ni in the surface stability of Cu–Al–Ni ternary alloys in sulfate–chloride solutions. Electrochim Acta 2012. [DOI: 10.1016/j.electacta.2012.03.053] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Badawy W, El-Rabiee M, Helal N, Nady H. Effect of nickel content on the electrochemical behavior of Cu–Al–Ni alloys in chloride free neutral solutions. Electrochim Acta 2010. [DOI: 10.1016/j.electacta.2010.09.080] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Xu B, Zhang WD. Modification of vertically aligned carbon nanotubes with RuO2 for a solid-state pH sensor. Electrochim Acta 2010. [DOI: 10.1016/j.electacta.2009.12.099] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Badawy WA, El-Sherif RM, Shehata H. Electrochemical stability of Cu–10Al–5Ni alloy in chloride–sulfate electrolytes. Electrochim Acta 2009. [DOI: 10.1016/j.electacta.2009.03.040] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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El-Rabiee M, Helal N, El-Hafez GA, Badawy W. Corrosion control of vanadium in aqueous solutions by amino acids. JOURNAL OF ALLOYS AND COMPOUNDS 2008; 459:466-471. [DOI: 10.1016/j.jallcom.2007.04.293] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
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Badawy WA, El-Sherif RM, Shehata H. Electrochemical behavior of aluminum bronze in sulfate-chloride media. J APPL ELECTROCHEM 2007. [DOI: 10.1007/s10800-007-9362-9] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Wang Y, Yuan H, Lu X, Zhou Z, Xiao D. All Solid-State pH Electrode Based on Titanium Nitride Sensitive Film. ELECTROANAL 2006. [DOI: 10.1002/elan.200603547] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Badawy WA, Ismail KM, Fathi AM. Corrosion control of Cu–Ni alloys in neutral chloride solutions by amino acids. Electrochim Acta 2006. [DOI: 10.1016/j.electacta.2005.11.037] [Citation(s) in RCA: 107] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Gnedenkov SV, Sinebryukhov SL, Sergienko VI. Electrochemical impedance simulation of a metal oxide heterostructure/electrolyte interface: A review. RUSS J ELECTROCHEM+ 2006. [DOI: 10.1134/s1023193506030013] [Citation(s) in RCA: 52] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Alonzo V, Darchen A, Fur EL, Pivan J. Electrochemical behaviour of a vanadium anode in phosphoric acid and phosphate solutions. Electrochim Acta 2006. [DOI: 10.1016/j.electacta.2005.06.030] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Metikos-Huković M, Kwokal A, Piljac J. The influence of niobium and vanadium on passivity of titanium-based implants in physiological solution. Biomaterials 2003; 24:3765-75. [PMID: 12818549 DOI: 10.1016/s0142-9612(03)00252-7] [Citation(s) in RCA: 315] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Surface films play a key role in corrosion and osteointegration processes of titanium-based orthopedic implants. The influence of niobium and vanadium as alloying elements on titanium alloy passivity have been investigated in Hanks' Balanced Salt Solution (HBSS), at 37 degrees C and pH 6.9.Ti6Al4V and Ti6Al6Nb have been considered. The excellent passivating properties of the anodically formed Ti(IV)-based surface oxide film and high corrosion resistance of the Ti6Al6Nb alloy have been attributed to the stabilizing effect of Nb(5+) cations on the passive film, by annihilation of stoichiometric defects (anion vacancies) caused by the presence of titanium suboxides. Localized corrosion sensitivity of the Ti6Al4V alloy has been correlated to the dissolution of vanadium at the surface film/electrolyte interface coupled with generation of cation vacancies and their diffusion through the film as a part of the solid-state diffusion process. The presence of a high concentration of chloride ions (0.15gl(-1)) in HBSS further accelerates these processes.
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Affiliation(s)
- M Metikos-Huković
- Department of Electrochemistry, Faculty of Chemical Engineering, University of Zagreb, Savska 16, 10 000, Zagreb, Croatia.
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Electrosynthesis of vanadophosphate by anodic oxidation of vanadium in phosphoric acid solutions. Electrochem commun 2002. [DOI: 10.1016/s1388-2481(02)00484-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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