Application of Doehlert matrix to the study of flow injection procedure for selenium (IV) determination.
Identifieur interne : 003134 ( Main/Exploration ); précédent : 003133; suivant : 003135Application of Doehlert matrix to the study of flow injection procedure for selenium (IV) determination.
Auteurs : RBID : pubmed:18969538Abstract
A method for the rapid determination of selenium is reported. It is based on the injection of selenium sample into a stream of KI and subsequent measurement of the increase of the absorption at 290nm due to the formation of I(3)(-). A Doehlert matrix was applied for the determination of the optimal working conditions. With the developed method, a linear calibration curve from 1 to 10ppm was obtained. For the analysis of semiconducting thin layers of CuInSe(2) (CIS), a cationic resin was added to the sample solution in order to eliminate the effect of copper and indium on the absorbance values. With the developed procedure a sample throughput of 36 samples per hour and a relative standard deviation 1.1% was achieved.
DOI: 10.1016/j.talanta.2004.01.011
PubMed: 18969538
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It is based on the injection of selenium sample into a stream of KI and subsequent measurement of the increase of the absorption at 290nm due to the formation of I(3)(-). A Doehlert matrix was applied for the determination of the optimal working conditions. With the developed method, a linear calibration curve from 1 to 10ppm was obtained. For the analysis of semiconducting thin layers of CuInSe(2) (CIS), a cationic resin was added to the sample solution in order to eliminate the effect of copper and indium on the absorbance values. With the developed procedure a sample throughput of 36 samples per hour and a relative standard deviation 1.1% was achieved.</div></front></TEI><pubmed><MedlineCitation Owner="NLM" Status="PubMed-not-MEDLINE"><PMID Version="1">18969538</PMID><DateCreated><Year>2008</Year><Month>10</Month><Day>30</Day></DateCreated><DateCompleted><Year>2012</Year><Month>10</Month><Day>02</Day></DateCompleted><Article PubModel="Print"><Journal><ISSN IssnType="Electronic">1873-3573</ISSN><JournalIssue CitedMedium="Internet"><Volume>63</Volume><Issue>4</Issue><PubDate><Year>2004</Year><Month>Jul</Month><Day>8</Day></PubDate></JournalIssue><Title>Talanta</Title><ISOAbbreviation>Talanta</ISOAbbreviation></Journal><ArticleTitle>Application of Doehlert matrix to the study of flow injection procedure for selenium (IV) determination.</ArticleTitle><Pagination><MedlinePgn>1089-94</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.talanta.2004.01.011</ELocationID><Abstract><AbstractText>A method for the rapid determination of selenium is reported. It is based on the injection of selenium sample into a stream of KI and subsequent measurement of the increase of the absorption at 290nm due to the formation of I(3)(-). A Doehlert matrix was applied for the determination of the optimal working conditions. With the developed method, a linear calibration curve from 1 to 10ppm was obtained. For the analysis of semiconducting thin layers of CuInSe(2) (CIS), a cationic resin was added to the sample solution in order to eliminate the effect of copper and indium on the absorbance values. With the developed procedure a sample throughput of 36 samples per hour and a relative standard deviation 1.1% was achieved.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Hellal</LastName><ForeName>F</ForeName><Initials>F</Initials><Affiliation>Département de Chimie, Institut National des Sciences Appliquées et de Technologie, B.P. 676, Tunis Cedex 1080, Tunisia; Département de Chimie, Laboratoire de Chimie Analytique et Electrochimie, Faculté des Sciences de Tunis, Campus Universitaire, 1060 Tunis, Tunisia.</Affiliation></Author><Author ValidYN="Y"><LastName>Dachraoui</LastName><ForeName>M</ForeName><Initials>M</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType>Journal Article</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Talanta</MedlineTA><NlmUniqueID>2984816R</NlmUniqueID><ISSNLinking>0039-9140</ISSNLinking></MedlineJournalInfo></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2003</Year><Month>8</Month><Day>19</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2003</Year><Month>12</Month><Day>15</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2004</Year><Month>1</Month><Day>8</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2008</Year><Month>10</Month><Day>31</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2008</Year><Month>10</Month><Day>31</Day><Hour>9</Hour><Minute>1</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2008</Year><Month>10</Month><Day>31</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pii">S0039-9140(04)00008-6</ArticleId><ArticleId IdType="doi">10.1016/j.talanta.2004.01.011</ArticleId><ArticleId IdType="pubmed">18969538</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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