Determination of Inorganic and Total Mercury in Biological Tissuesby Electrothermal Vaporization Inductively Coupled Plasma MassSpectrometry
Identifieur interne : 000F90 ( Istex/Curation ); précédent : 000F89; suivant : 000F91Determination of Inorganic and Total Mercury in Biological Tissuesby Electrothermal Vaporization Inductively Coupled Plasma MassSpectrometry
Auteurs : Scott N. Willie ; D. Conrad Grégoire ; Ralph E. SturgeonSource :
- Analyst [ 0003-2654 ] ; 1997.
Abstract
A rapid method for the determination of total and inorganic mercury inbiological tissues is presented using electrothermal vaporizationinductively coupled plasma mass spectrometry (ETV ICP–MS). Sampleswere solubilized using tetramethylammonium hydroxide. For thedetermination of total mercury sample aliquots (10 µl) are dried andvaporized into the plasma. For the determination of inorganic mercury,iodoacetic acid, sodium thiosulfate and acetic acid are added to thesample, cleaving the methylmercury from the tissue. Volatile methylmercuryiodide is formed and removed from the ETV as the sample dries, leavingonly inorganic mercury to be quantified. A limit of detection of 0.05µg g-1 in solid samples was obtained. NationalResearch Council of Canada reference materials DORM-2 (dogfish muscle),DOLT-2 (dogfish liver) and TORT-2 (lobster hepatopancreas) were used toassess the accuracy of the method.
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DOI: 10.1039/a701169e
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<record><TEI wicri:istexFullTextTei="biblStruct"><teiHeader><fileDesc><titleStmt><title>Determination of Inorganic and Total Mercury in Biological Tissuesby Electrothermal Vaporization Inductively Coupled Plasma MassSpectrometry</title><author wicri:is="90%"><name sortKey="N Willie, Scott" sort="N Willie, Scott" uniqKey="N Willie S" first="Scott" last="N. Willie">Scott N. Willie</name></author><author wicri:is="90%"><name sortKey="Conrad Gregoire, D" sort="Conrad Gregoire, D" uniqKey="Conrad Gregoire D" first="D." last="Conrad Grégoire">D. Conrad Grégoire</name></author><author wicri:is="90%"><name sortKey="E Sturgeon, Ralph" sort="E Sturgeon, Ralph" uniqKey="E Sturgeon R" first="Ralph" last="E. Sturgeon">Ralph E. Sturgeon</name></author></titleStmt><publicationStmt><idno type="wicri:source">ISTEX</idno><idno type="RBID">ISTEX:C55EA6472DB0549A789E8C8D7B5F588CBF6E089D</idno><date when="1997" year="1997">1997</date><idno type="doi">10.1039/a701169e</idno><idno type="url">https://api-v5.istex.fr/document/C55EA6472DB0549A789E8C8D7B5F588CBF6E089D/fulltext/pdf</idno><idno type="wicri:Area/Istex/Corpus">000F90</idno><idno type="wicri:explorRef" wicri:stream="Istex" wicri:step="Corpus" wicri:corpus="ISTEX">000F90</idno><idno type="wicri:Area/Istex/Curation">000F90</idno></publicationStmt><sourceDesc><biblStruct><analytic><title level="a">Determination of Inorganic and Total Mercury in Biological Tissuesby Electrothermal Vaporization Inductively Coupled Plasma MassSpectrometry</title><author wicri:is="90%"><name sortKey="N Willie, Scott" sort="N Willie, Scott" uniqKey="N Willie S" first="Scott" last="N. Willie">Scott N. Willie</name></author><author wicri:is="90%"><name sortKey="Conrad Gregoire, D" sort="Conrad Gregoire, D" uniqKey="Conrad Gregoire D" first="D." last="Conrad Grégoire">D. Conrad Grégoire</name></author><author wicri:is="90%"><name sortKey="E Sturgeon, Ralph" sort="E Sturgeon, Ralph" uniqKey="E Sturgeon R" first="Ralph" last="E. Sturgeon">Ralph E. Sturgeon</name></author></analytic><monogr></monogr><series><title level="j">Analyst</title><title level="j" type="abbrev">Analyst</title><idno type="ISSN">0003-2654</idno><idno type="eISSN">1364-5528</idno><imprint><publisher>The Royal Society of Chemistry.</publisher><date type="published" when="1997">1997</date><biblScope unit="volume">122</biblScope><biblScope unit="issue">8</biblScope><biblScope unit="page" from="751">751</biblScope><biblScope unit="page" to="754">754</biblScope></imprint><idno type="ISSN">0003-2654</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0003-2654</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract">A rapid method for the determination of total and inorganic mercury inbiological tissues is presented using electrothermal vaporizationinductively coupled plasma mass spectrometry (ETV ICP–MS). Sampleswere solubilized using tetramethylammonium hydroxide. For thedetermination of total mercury sample aliquots (10 µl) are dried andvaporized into the plasma. For the determination of inorganic mercury,iodoacetic acid, sodium thiosulfate and acetic acid are added to thesample, cleaving the methylmercury from the tissue. Volatile methylmercuryiodide is formed and removed from the ETV as the sample dries, leavingonly inorganic mercury to be quantified. A limit of detection of 0.05µg g-1 in solid samples was obtained. NationalResearch Council of Canada reference materials DORM-2 (dogfish muscle),DOLT-2 (dogfish liver) and TORT-2 (lobster hepatopancreas) were used toassess the accuracy of the method.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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