Speciation of arsenic in ground water samples: A comparative study of CE-UV, HG-AAS and LC-ICP-MS
The performance of capillary electrophoresis-ultraviolet detector (CE-UV), hydride generation-atomic absorption spectrometry (HG-AAS) and liquid chromatography-inductively coupled plasma mass spectrometry (LC-ICP-MS) have been compared for the speciation of arsenic (As) in groundwater samples. Two i...
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| Veröffentlicht in: | Talanta (Oxford) 2005-12, Vol.68 (2), p.406-415 |
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| creator | Farzana Akter, Kazi Chen, Zuliang Smith, Lester Davey, David Naidu, Ravi |
| description | The performance of capillary electrophoresis-ultraviolet detector (CE-UV), hydride generation-atomic absorption spectrometry (HG-AAS) and liquid chromatography-inductively coupled plasma mass spectrometry (LC-ICP-MS) have been compared for the speciation of arsenic (As) in groundwater samples. Two inorganic As species, arsenite (As
III), arsenate (As
V) and one organo species dimethyl arsenic acid (DMA) were mainly considered for this study as these are known to be predominant in water. Under optimal analytical conditions, limits of detection (LD) ranging from 0.10 (As
III, AsT) to 0.19 (DMA) μg/l for HG-AAS, 100 (As
III, DMA) to 500 (As
V) μg/l for CE-UV and 0.1 (DMA, MMA) to 0.2 (As
III, As
V) μg/l for LC-ICP-MS, allowed the determination of the above three species present in these samples. Results obtained by all the three methods are well correlated (
r
2
=
0.996*** for total As) with the precision of |
| doi_str_mv | 10.1016/j.talanta.2005.09.011 |
| format | Article |
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III), arsenate (As
V) and one organo species dimethyl arsenic acid (DMA) were mainly considered for this study as these are known to be predominant in water. Under optimal analytical conditions, limits of detection (LD) ranging from 0.10 (As
III, AsT) to 0.19 (DMA) μg/l for HG-AAS, 100 (As
III, DMA) to 500 (As
V) μg/l for CE-UV and 0.1 (DMA, MMA) to 0.2 (As
III, As
V) μg/l for LC-ICP-MS, allowed the determination of the above three species present in these samples. Results obtained by all the three methods are well correlated (
r
2
=
0.996*** for total As) with the precision of <5% R.S.D. except CE-UV. The effect of interfering ions (e.g. Fe
2+, Fe
3+, SO
4
2− and Cl
−) commonly found in ground water on separation and estimation of As species were studied and corrected for. Spike recovery was tested and found to be 80–110% at 0.5
μg/l As standard except CE-UV where only 50% of the analyte was recovered. Comparison of these results shows that LC-ICP-MS is the best choice for routine analysis of As species in ground water samples.</description><identifier>ISSN: 0039-9140</identifier><identifier>EISSN: 1873-3573</identifier><identifier>DOI: 10.1016/j.talanta.2005.09.011</identifier><identifier>PMID: 18970337</identifier><identifier>CODEN: TLNTA2</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Analytical chemistry ; Arsenic speciation ; Chemistry ; Chromatographic methods and physical methods associated with chromatography ; Electrochemical methods ; Exact sciences and technology ; Ground water ; Other chromatographic methods ; Spectrometric and optical methods</subject><ispartof>Talanta (Oxford), 2005-12, Vol.68 (2), p.406-415</ispartof><rights>2005 Elsevier B.V.</rights><rights>2006 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c460t-d5ab19f6e1d8d2542efab18f5b801514dfe404f5d6123caa062e1a56ebf565cf3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.talanta.2005.09.011$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>309,310,314,780,784,789,790,3550,23930,23931,25140,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=17299529$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/18970337$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Farzana Akter, Kazi</creatorcontrib><creatorcontrib>Chen, Zuliang</creatorcontrib><creatorcontrib>Smith, Lester</creatorcontrib><creatorcontrib>Davey, David</creatorcontrib><creatorcontrib>Naidu, Ravi</creatorcontrib><title>Speciation of arsenic in ground water samples: A comparative study of CE-UV, HG-AAS and LC-ICP-MS</title><title>Talanta (Oxford)</title><addtitle>Talanta</addtitle><description>The performance of capillary electrophoresis-ultraviolet detector (CE-UV), hydride generation-atomic absorption spectrometry (HG-AAS) and liquid chromatography-inductively coupled plasma mass spectrometry (LC-ICP-MS) have been compared for the speciation of arsenic (As) in groundwater samples. Two inorganic As species, arsenite (As
III), arsenate (As
V) and one organo species dimethyl arsenic acid (DMA) were mainly considered for this study as these are known to be predominant in water. Under optimal analytical conditions, limits of detection (LD) ranging from 0.10 (As
III, AsT) to 0.19 (DMA) μg/l for HG-AAS, 100 (As
III, DMA) to 500 (As
V) μg/l for CE-UV and 0.1 (DMA, MMA) to 0.2 (As
III, As
V) μg/l for LC-ICP-MS, allowed the determination of the above three species present in these samples. Results obtained by all the three methods are well correlated (
r
2
=
0.996*** for total As) with the precision of <5% R.S.D. except CE-UV. The effect of interfering ions (e.g. Fe
2+, Fe
3+, SO
4
2− and Cl
−) commonly found in ground water on separation and estimation of As species were studied and corrected for. Spike recovery was tested and found to be 80–110% at 0.5
μg/l As standard except CE-UV where only 50% of the analyte was recovered. Comparison of these results shows that LC-ICP-MS is the best choice for routine analysis of As species in ground water samples.</description><subject>Analytical chemistry</subject><subject>Arsenic speciation</subject><subject>Chemistry</subject><subject>Chromatographic methods and physical methods associated with chromatography</subject><subject>Electrochemical methods</subject><subject>Exact sciences and technology</subject><subject>Ground water</subject><subject>Other chromatographic methods</subject><subject>Spectrometric and optical methods</subject><issn>0039-9140</issn><issn>1873-3573</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><recordid>eNqFkF2L1DAUQIMo7jj6E5S8iC-23jRN2_giQ1l3F0YUxvU1ZJIbydAvk3Zl_70ZprCPviQQzrk3HELeMsgZsOrTKZ91p4dZ5wWAyEHmwNgzsmFNzTMuav6cbAC4zCQr4Yq8ivEEAAUH_pJcsUbWwHm9IfowofF69uNAR0d1iDh4Q_1Af4dxGSz9q2cMNOp-6jB-pjtqxn7SIRkPSOO82Mez115n978-0tubbLc7UJ28fZvdtT-yb4fX5IXTXcQ3670l91-vf7a32f77zV2722emrGDOrNBHJl2FzDa2EGWBLj00ThwbYIKV1mEJpRO2YgU3WkNVINOiwqMTlTCOb8mHy9wpjH8WjLPqfTTYpUg4LlHVnDecsXRsibiQJowxBnRqCr7X4VExUOe46qTWuOocV4FUKW7y3q0blmOP9slaaybg_QroaHTngh6Mj09cXUgpCpm4LxcOU48Hj0FF43EwaH1AMys7-v985R92pZiP</recordid><startdate>20051215</startdate><enddate>20051215</enddate><creator>Farzana Akter, Kazi</creator><creator>Chen, Zuliang</creator><creator>Smith, Lester</creator><creator>Davey, David</creator><creator>Naidu, Ravi</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20051215</creationdate><title>Speciation of arsenic in ground water samples: A comparative study of CE-UV, HG-AAS and LC-ICP-MS</title><author>Farzana Akter, Kazi ; Chen, Zuliang ; Smith, Lester ; Davey, David ; Naidu, Ravi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c460t-d5ab19f6e1d8d2542efab18f5b801514dfe404f5d6123caa062e1a56ebf565cf3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2005</creationdate><topic>Analytical chemistry</topic><topic>Arsenic speciation</topic><topic>Chemistry</topic><topic>Chromatographic methods and physical methods associated with chromatography</topic><topic>Electrochemical methods</topic><topic>Exact sciences and technology</topic><topic>Ground water</topic><topic>Other chromatographic methods</topic><topic>Spectrometric and optical methods</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Farzana Akter, Kazi</creatorcontrib><creatorcontrib>Chen, Zuliang</creatorcontrib><creatorcontrib>Smith, Lester</creatorcontrib><creatorcontrib>Davey, David</creatorcontrib><creatorcontrib>Naidu, Ravi</creatorcontrib><collection>Pascal-Francis</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Talanta (Oxford)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Farzana Akter, Kazi</au><au>Chen, Zuliang</au><au>Smith, Lester</au><au>Davey, David</au><au>Naidu, Ravi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Speciation of arsenic in ground water samples: A comparative study of CE-UV, HG-AAS and LC-ICP-MS</atitle><jtitle>Talanta (Oxford)</jtitle><addtitle>Talanta</addtitle><date>2005-12-15</date><risdate>2005</risdate><volume>68</volume><issue>2</issue><spage>406</spage><epage>415</epage><pages>406-415</pages><issn>0039-9140</issn><eissn>1873-3573</eissn><coden>TLNTA2</coden><abstract>The performance of capillary electrophoresis-ultraviolet detector (CE-UV), hydride generation-atomic absorption spectrometry (HG-AAS) and liquid chromatography-inductively coupled plasma mass spectrometry (LC-ICP-MS) have been compared for the speciation of arsenic (As) in groundwater samples. Two inorganic As species, arsenite (As
III), arsenate (As
V) and one organo species dimethyl arsenic acid (DMA) were mainly considered for this study as these are known to be predominant in water. Under optimal analytical conditions, limits of detection (LD) ranging from 0.10 (As
III, AsT) to 0.19 (DMA) μg/l for HG-AAS, 100 (As
III, DMA) to 500 (As
V) μg/l for CE-UV and 0.1 (DMA, MMA) to 0.2 (As
III, As
V) μg/l for LC-ICP-MS, allowed the determination of the above three species present in these samples. Results obtained by all the three methods are well correlated (
r
2
=
0.996*** for total As) with the precision of <5% R.S.D. except CE-UV. The effect of interfering ions (e.g. Fe
2+, Fe
3+, SO
4
2− and Cl
−) commonly found in ground water on separation and estimation of As species were studied and corrected for. Spike recovery was tested and found to be 80–110% at 0.5
μg/l As standard except CE-UV where only 50% of the analyte was recovered. Comparison of these results shows that LC-ICP-MS is the best choice for routine analysis of As species in ground water samples.</abstract><cop>Amsterdam</cop><cop>Oxford</cop><pub>Elsevier B.V</pub><pmid>18970337</pmid><doi>10.1016/j.talanta.2005.09.011</doi><tpages>10</tpages></addata></record> |
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | Analytical chemistry Arsenic speciation Chemistry Chromatographic methods and physical methods associated with chromatography Electrochemical methods Exact sciences and technology Ground water Other chromatographic methods Spectrometric and optical methods |
| title | Speciation of arsenic in ground water samples: A comparative study of CE-UV, HG-AAS and LC-ICP-MS |
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