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Ge F, Gao L, Peng X, Li Q, Zhu Y, Yu J, Wang Z. Atmospheric pressure glow discharge optical emission spectrometry coupled with laser ablation for direct solid quantitative determination of Zn, Pb, and Cd in soils. Talanta 2020; 218:121119. [PMID: 32797877 DOI: 10.1016/j.talanta.2020.121119] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Revised: 04/28/2020] [Accepted: 05/02/2020] [Indexed: 11/16/2022]
Abstract
A device utilizing atmospheric pressure glow discharge as the second excitation source coupled with laser ablation (LA) for direct solid sampling was developed, with few operating costs and low gas consumption. This new device was first utilized for the highly sensitive determination of Zn, Pb, and Cd elements in complex matrix soil samples. It also provided a new method for monitoring these three trace elements in soil samples. Good linearity was observed in the quantitative results for Zn, Pb, and Cd detection, and the respective linear correlation coefficients (R2) were 0.9953, 0.9897, and 0.9961. Moreover, the limit of detection (LOD) of 0.68, 2.71, and 0.31 mg kg-1 were achieved for Zn, Pb, and Cd, respectively; the LOD of Zn reduced by more than one order of magnitude compared to that observed in laser-induced breakdown spectroscopy results. In addition, the quantitative analysis results showed good agreement with the certified values and those obtained of ICP optical emission spectrometry, proving the detection accuracy and practicability of the developed device.
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Affiliation(s)
- Fen Ge
- Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, China
| | - Liang Gao
- Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, China
| | - Xiaoxu Peng
- Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, China; Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Qing Li
- Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, China
| | - Yufang Zhu
- School of Materials Science and Engineering, University of Shanghai for Science & Technology, Shanghai, 200093, China
| | - Jin Yu
- School of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Zheng Wang
- Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, China; Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China.
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Gao S, Lin PI, Mostofa G, Quamruzzaman Q, Rahman M, Rahman ML, Su L, Hsueh YM, Weisskopf M, Coull B, Christiani DC. Determinants of arsenic methylation efficiency and urinary arsenic level in pregnant women in Bangladesh. Environ Health 2019; 18:94. [PMID: 31690343 PMCID: PMC6833186 DOI: 10.1186/s12940-019-0530-2] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2019] [Accepted: 10/01/2019] [Indexed: 05/26/2023]
Abstract
BACKGROUND Prenatal inorganic arsenic (iAs) exposure is associated with pregnancy outcomes. Maternal capabilities of arsenic biotransformation and elimination may influence the susceptibility of arsenic toxicity. Therefore, we examined the determinants of arsenic metabolism of pregnant women in Bangladesh who are exposed to high levels of arsenic. METHODS In a prospective birth cohort, we followed 1613 pregnant women in Bangladesh and collected urine samples at two prenatal visits: one at 4-16 weeks, and the second at 21-37 weeks of pregnancy. We measured major arsenic species in urine, including iAs (iAs%) and methylated forms. The proportions of each species over the sum of all arsenic species were used as biomarkers of arsenic methylation efficiency. We examined the difference in arsenic methylation using a paired t-test between first and second visits. Using linear regression, we examined determinants of arsenic metabolism, including age, BMI at enrollment, education, financial provider income, arsenic exposure level, and dietary folate and protein intake, adjusted for daily energy intake. RESULTS Comparing visit 2 to visit 1, iAs% decreased 1.1% (p < 0.01), and creatinine-adjusted urinary arsenic level (U-As) increased 21% (95% CI: 15, 26%; p < 0.01). Drinking water arsenic concentration was positively associated with iAs% at both visits. When restricted to participants with higher adjusted urinary arsenic levels (adjusted U-As > 50 μg/g-creatinine) gestational age at measurement was strongly associated with DMA% (β = 0.38, p < 0.01) only at visit 1. Additionally, DMA% was negatively associated with daily protein intake (β = - 0.02, p < 0.01) at visit 1, adjusting for total energy intake and other covariates. CONCLUSIONS Our findings indicate that arsenic metabolism and adjusted U-As level increase during pregnancy. We have identified determinants of arsenic methylation efficiency at visit 1.
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Affiliation(s)
- Shangzhi Gao
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, 677 Huntington Ave, Boston, MA 02115 USA
| | - Pi-I Lin
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, 677 Huntington Ave, Boston, MA 02115 USA
| | - Golam Mostofa
- Dhaka Community Hospital Trust, 190 Wireless Railgate, 1 Baro Moghbazar, Dhaka, Bangladesh
| | - Quazi Quamruzzaman
- Dhaka Community Hospital Trust, 190 Wireless Railgate, 1 Baro Moghbazar, Dhaka, Bangladesh
| | - Mahmudur Rahman
- Dhaka Community Hospital Trust, 190 Wireless Railgate, 1 Baro Moghbazar, Dhaka, Bangladesh
| | - Mohammad Lutfar Rahman
- Harvard Medical School, Department of Population Medicine, Harvard Pilgrim Health Care Institute, 401 Park Drive, Suite 401, Boston, MA 02215 USA
| | - Li Su
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, 677 Huntington Ave, Boston, MA 02115 USA
| | - Yu-mei Hsueh
- Department of Family Medicine, Shuang Ho Hospital, Taipei Medical University, Taipei City, Taiwan
- Department of Public Health, School of Medicine, College of Medicine, Taipei Medical University, No. 250, Wuxing Street, Xinyi District, Taipei City, Taiwan
| | - Marc Weisskopf
- Department of Epidemiology, Department of Environmental Health, Harvard T.H. Chan School of Public Health, 677 Huntington Ave, Boston, MA 02115 USA
| | - Brent Coull
- Department of Biostatistics, Department of Environmental Health, Harvard T.H. Chan School of Public Health, 677 Huntington Ave, Boston, MA 02115 USA
| | - David Chistopher Christiani
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, 677 Huntington Ave, Boston, MA 02115 USA
- Pulmonary and Critical Care Unit, Department of Medicine, Massachusetts General Hospital, 55 Fruit St, Boston, MA 02114 USA
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Huang C, Li Q, Mo J, Wang Z. Ultratrace Determination of Tin, Germanium, and Selenium by Hydride Generation Coupled with a Novel Solution-Cathode Glow Discharge-Atomic Emission Spectrometry Method. Anal Chem 2016; 88:11559-11567. [DOI: 10.1021/acs.analchem.6b02807] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Chuchu Huang
- Shanghai
Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
| | - Qing Li
- Shanghai
Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
| | - Jiamei Mo
- Shanghai
Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
| | - Zheng Wang
- Shanghai
Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
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Chakraborti D, Rahman MM, Mukherjee A, Alauddin M, Hassan M, Dutta RN, Pati S, Mukherjee SC, Roy S, Quamruzzman Q, Rahman M, Morshed S, Islam T, Sorif S, Selim M, Islam MR, Hossain MM. Groundwater arsenic contamination in Bangladesh-21 Years of research. J Trace Elem Med Biol 2015; 31:237-48. [PMID: 25660323 DOI: 10.1016/j.jtemb.2015.01.003] [Citation(s) in RCA: 68] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/20/2014] [Revised: 01/02/2015] [Accepted: 01/05/2015] [Indexed: 10/24/2022]
Abstract
Department of Public Health Engineering (DPHE), Bangladesh first identified their groundwater arsenic contamination in 1993. But before the international arsenic conference in Dhaka in February 1998, the problem was not widely accepted. Even in the international arsenic conference in West-Bengal, India in February, 1995, representatives of international agencies in Bangladesh and Bangladesh government attended the conference but they denied the groundwater arsenic contamination in Bangladesh. School of Environmental Studies (SOES), Jadavpur University, Kolkata, India first identified arsenic patient in Bangladesh in 1992 and informed WHO, UNICEF of Bangladesh and Govt. of Bangladesh from April 1994 to August 1995. British Geological Survey (BGS) dug hand tube-wells in Bangladesh in 1980s and early 1990s but they did not test the water for arsenic. Again BGS came back to Bangladesh in 1992 to assess the quality of the water of the tube-wells they installed but they still did not test for arsenic when groundwater arsenic contamination and its health effects in West Bengal in Bengal delta was already published in WHO Bulletin in 1988. From December 1996, SOES in collaboration with Dhaka Community Hospital (DCH), Bangladesh started analyzing hand tube-wells for arsenic from all 64 districts in four geomorphologic regions of Bangladesh. So far over 54,000 tube-well water samples had been analyzed by flow injection hydride generation atomic absorption spectrometry (FI-HG-AAS). From SOES water analysis data at present we could assess status of arsenic groundwater contamination in four geo-morphological regions of Bangladesh and location of possible arsenic safe groundwater. SOES and DCH also made some preliminary work with their medical team to identify patients suffering from arsenic related diseases. SOES further analyzed few thousands biological samples (hair, nail, urine and skin scales) and foodstuffs for arsenic to know arsenic body burden and people sub-clinically affected. SOES and DCH made a few follow-up studies in some districts to know their overall situations after 9 to 18 years of their first exposure. The overall conclusion from these follow-up studies is (a) villagers are now more aware about the danger of drinking arsenic contaminated water (b) villagers are currently drinking less arsenic contaminated water (c) many villagers in affected village died of cancer (d) arsenic contaminated water is in use for agricultural irrigation and arsenic exposure from food chain could be future danger. Since at present more information is coming about health effects from low arsenic exposure, Bangladesh Government should immediately focus on their huge surface water management and reduce their permissible limit of arsenic in drinking water.
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Affiliation(s)
| | - Mohammad Mahmudur Rahman
- School of Environmental Studies, Jadavpur University, Kolkata 700 032, India; Centre for Environmental Risk Assessment and Remediation (CERAR), University of South Australia, Mawson Lakes Campus, Mawson Lakes, SA, 5095, Australia
| | - Amitava Mukherjee
- School of Environmental Studies, Jadavpur University, Kolkata 700 032, India; Centre for Nanobiotechnology, VIT University, Vellore 632014, Tamil Nadu, India
| | - Mohammad Alauddin
- Department of Chemistry, Wagner College, Staten Island, NY 10301, USA
| | - Manzurul Hassan
- Department of Geography and Environment, Jahangirnagar University, Savar, Dhaka 1342, Bangladesh
| | - Rathindra Nath Dutta
- Department of Dermatology, Institute of Post Graduate Medical Education and Research, SSKM Hospital, Kolkata, India
| | - Shymapada Pati
- Department of Obstetrics and Gynaecology, Kolkata National Medical College, Kolkata, India
| | | | - Shibtosh Roy
- Dhaka Community Hospital, Dhaka 1217, Bangladesh
| | | | | | | | | | | | - Md Selim
- Dhaka Community Hospital, Dhaka 1217, Bangladesh
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Anawar HM. Arsenic speciation in environmental samples by hydride generation and electrothermal atomic absorption spectrometry. Talanta 2012; 88:30-42. [DOI: 10.1016/j.talanta.2011.11.068] [Citation(s) in RCA: 75] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2011] [Revised: 11/22/2011] [Accepted: 11/23/2011] [Indexed: 10/14/2022]
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Pearce DC, Dowling K, Gerson AR, Sim MR, Sutton SR, Newville M, Russell R, McOrist G. Arsenic microdistribution and speciation in toenail clippings of children living in a historic gold mining area. THE SCIENCE OF THE TOTAL ENVIRONMENT 2010; 408:2590-9. [PMID: 20067849 DOI: 10.1016/j.scitotenv.2009.12.039] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2009] [Revised: 11/24/2009] [Accepted: 12/17/2009] [Indexed: 05/21/2023]
Abstract
Arsenic is naturally associated with gold mineralisation and elevated in some soils and mine waste around historical gold mining activity in Victoria, Australia. To explore uptake, arsenic concentrations in children's toenail clippings and household soils were measured, and the microdistribution and speciation of arsenic in situ in toenail clipping thin sections investigated using synchrotron-based X-ray microprobe techniques. The ability to differentiate exogenous arsenic was explored by investigating surface contamination on cleaned clippings using depth profiling, and direct diffusion of arsenic into incubated clippings. Total arsenic concentrations ranged from 0.15 to 2.1 microg/g (n=29) in clipping samples and from 3.3 to 130 microg/g (n=22) in household soils, with significant correlation between transformed arsenic concentrations (Pearson's r=0.42, P=0.023) when household soil was treated as independent. In clipping thin sections (n=2), X-ray fluorescence (XRF) mapping showed discrete layering of arsenic consistent with nail structure, and irregular arsenic incorporation along the nail growth axis. Arsenic concentrations were heterogeneous at 10x10 microm microprobe spot locations investigated (<0.1 to 13.3 microg/g). X-ray absorption near-edge structure (XANES) spectra suggested the presence of two distinct arsenic species: a lower oxidation state species, possibly with mixed sulphur and methyl coordination (denoted As(approximately III)(-S, -CH3)); and a higher oxidation state species (denoted As(approximately V)(-O)). Depth profiling suggested that surface contamination was unlikely (n=4), and XRF and XANES analyses of thin sections of clippings incubated in dry or wet mine waste, or untreated, suggested direct diffusion of arsenic occurred under moist conditions. These findings suggest that arsenic in soil contributes to some systemic absorption associated with periodic exposures among children resident in areas of historic gold mining activity in Victoria, Australia. Future studies are required to ascertain if adverse health effects are associated with current levels of arsenic uptake.
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Affiliation(s)
- Dora C Pearce
- School of Science and Engineering, University of Ballarat, Mt Helen Campus, University Drive, Mt Helen, Victoria 3350, Australia.
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McDermott JR, Jiang X, Beene LC, Rosen BP, Liu Z. Pentavalent methylated arsenicals are substrates of human AQP9. Biometals 2010; 23:119-27. [PMID: 19802720 PMCID: PMC4266138 DOI: 10.1007/s10534-009-9273-9] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2009] [Accepted: 09/22/2009] [Indexed: 01/08/2023]
Abstract
Liver aquaglyceroporin AQP9 facilitates movement of trivalent inorganic arsenite (As(III)) and organic monomethylarsonous acid (MAs(III)). However, the transport pathway for the two major pentavalent arsenic cellular metabolites, MAs(V) and DMAs(V), remains unknown in mammals. These products of arsenic metabolism, in particular DMAs(V), are the major arsenicals excreted in the urine of mammals. In this study, we examined the uptake of the two pentavalent organic arsenicals by human AQP9 in Xenopus laevis oocytes. Xenopus laevis oocytes microinjected with AQP9 cRNA exhibited uptake of both MAs(V) and DMAs(V) in a pH-dependent manner. The rate of transport was much higher at acidic pH (pH5.5) than at neutral pH. Hg(II), an aquaporin inhibitor, inhibited transport of As(III), MAs(III), MAs(V) and DMAs(V) via AQP9. However, phloretin, which inhibits water and glycerol permeation via AQP9, can only inhibit transport of pentavalent MAs(V) and DMAs(V) but not trivalent As(III) and MAs(III), indicating the translocation mechanisms of these arsenic species are not exactly the same. Reagents such as FCCP, valinomycin and nigericin that dissipate transmembrane proton potential or change the transmemebrane pH gradient did not significantly inhibit all arsenic transport via AQP9, suggesting the transport of pentavalent arsenic is not proton coupled. The results suggest that in addition to the initial uptake of trivalent inorganic As(III) inside cells, AQP9 plays a dual role in the detoxification of arsenic metabolites by facilitating efflux from cells.
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Affiliation(s)
- Joseph R. McDermott
- Department of Biological Sciences, Oakland University, Dodge Hall 325, 2200 N. Squirrel Rd, Rochester, MI 48309, USA
| | - Xuan Jiang
- Departments of Biochemistry and Molecular Biology, School of Medicine, Wayne State University, 540 E. Canfield Ave, Detroit, MI 48201, USA
| | - Lauren C. Beene
- Department of Biological Sciences, Oakland University, Dodge Hall 325, 2200 N. Squirrel Rd, Rochester, MI 48309, USA
| | - Barry P. Rosen
- Departments of Biochemistry and Molecular Biology, School of Medicine, Wayne State University, 540 E. Canfield Ave, Detroit, MI 48201, USA; Florida International University, College of Medicine, 11200 SW 8th Street, HLS II 693, Miami, FL 33199, USA
| | - Zijuan Liu
- Department of Biological Sciences, Oakland University, Dodge Hall 325, 2200 N. Squirrel Rd, Rochester, MI 48309, USA
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Liu Z. Roles of vertebrate aquaglyceroporins in arsenic transport and detoxification. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2010; 679:71-81. [PMID: 20666225 DOI: 10.1007/978-1-4419-6315-4_6] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Aquaporins are important channel proteins that are responsible for the balance of cellular osmolarity and nutrient transport in vertebrates. Recently, new functions of these ancient channels have been found in the conduction of metalloid arsenic (As). Chronic As exposure through contaminated water and food sources is associated with multiple human diseases and endangers millions of people's health worldwide. Therefore, identification of the As transport pathways is necessary to elucidate the mechanisms of As carcinogenesis. Arsenic detoxification systems have been studied in multiple vertebrates such as mammalian mouse, rat, humans and nonmammalian vertebrates. Multiple transporters and enzymes have been shown to be involved in As translocation and cellular transformation. In these vertebrates, members ofaquaglyceroporins, which include AQP7 in kidney and AQP9 in liver, catalyze uptake of inorganic trivalent arsenite [As(III)]. AQP9, the major liver aquaglyceroporin, conducts both inorganic As(III) and organic monomethylarsonous acid [MMA(III)], an intermediate that is generated during the cellular methylation. As a channel that facilitates a downhill movement of substances dependent on the concentration gradient, AQP9 may play an important role in the simultaneous influx of inorganic As(III) from blood to liver and efflux of As metabolite MMA(III) from liver to blood. In this chapter, we will discuss the function ofaquaglyceroporins ofvertebrates in uptake and detoxification of the metalloid As.
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Affiliation(s)
- Zijuan Liu
- Department of Biological Sciences, Oakland University, 2200 N. Squirrel Rd, Rochester, Michigan 48309, USA.
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Groundwater Arsenic Contamination, Its Health Effects and Approach for Mitigation in West Bengal, India and Bangladesh. ACTA ACUST UNITED AC 2009. [DOI: 10.1007/s12403-008-0002-3] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Francesconi KA, Kuehnelt D. Determination of arsenic species: A critical review of methods and applications, 2000–2003. Analyst 2004; 129:373-95. [PMID: 15116227 DOI: 10.1039/b401321m] [Citation(s) in RCA: 362] [Impact Index Per Article: 18.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
We review recent research in the field of arsenic speciation analysis with the emphasis on significant advances, novel applications and current uncertainties.
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Affiliation(s)
- Kevin A Francesconi
- Institute of Chemistry - Analytical Chemistry, Karl-Franzens University, Universitaetsplatz 1, 8010 Graz, Austria
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Kirby J, Maher W, Ellwood M, Krikowa F. Arsenic Species Determination in Biological Tissues by HPLC - ICP - MS and HPLC - HG - ICP - MS. Aust J Chem 2004. [DOI: 10.1071/ch04094] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
The use of high-pressure liquid chromatography coupled directly or by a hydride generation system to an inductively coupled plasma mass spectrometer for the unambiguous measurement of 13 arsenic species in marine biological extracts is described. The use of two chromatography systems; a Supelcosil LC-SCX cation-exchange column eluted with a 20 mM pyridine mobile phase adjusted to pH 2.2 and 2.6 with formic acid, with a flow rate of 1.5 mL min−1 at 40°C, and a Hamilton PRP-X100 anion-exchange column eluted with 20 mM NH4H2PO4 buffer at pH 5.6, with a flow rate of 1.5 mL min−1 at 40°C, was required to separate and quantify cation and anion arsenic species. Under these conditions, arsenous acid could not be separated from other arsenic species and required the use of an additional hydride generation step. Arsenic species concentrations in a locally available Tasmanian kelp (Durvillea potatorum), a certified reference material (DORM-2), and a range of commercially available macroalgae supplements and sushi seaweeds have been measured and are provided for use as in-house quality control samples to assess the effectiveness of sample preparation, extraction, and measurement techniques.
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