Achieving 0.2% Relative Expanded Uncertainty in Ion Chromatography Analysis Using a High-Performance Methodology
A high-performance (HP) technique that was originally developed for inductively coupled plasma optical emission spectrometry (ICP-OES) has been successfully translated to ion chromatography (IC) to enable analyses with extremely low uncertainty. As an example application of the HP-IC methodology, an...
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Veröffentlicht in: | Analytical chemistry (Washington) 2011-05, Vol.83 (10), p.3801-3807 |
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description | A high-performance (HP) technique that was originally developed for inductively coupled plasma optical emission spectrometry (ICP-OES) has been successfully translated to ion chromatography (IC) to enable analyses with extremely low uncertainty. As an example application of the HP-IC methodology, analyses of several National Institute of Standards and Technology (NIST) Standard Reference Materials (SRMs) in the SRM 3180 series of anion standard solutions are reported. The relative expanded uncertainty values expressed at 95% confidence for these analyses range from 0.087% to 0.27% and average 0.18%. Strong correlation between analyte and internal standard anion peak heights or peak areas, as well as the use of a unique drift-correction approach, is shown to be important for attaining such low uncertainty. |
doi_str_mv | 10.1021/ac200290y |
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Strong correlation between analyte and internal standard anion peak heights or peak areas, as well as the use of a unique drift-correction approach, is shown to be important for attaining such low uncertainty.</description><subject>Analytical chemistry</subject><subject>Chemistry</subject><subject>Chromatographic methods and physical methods associated with chromatography</subject><subject>Chromatography</subject><subject>Correlation analysis</subject><subject>Exact sciences and technology</subject><subject>Other chromatographic methods</subject><subject>Spectrometric and optical methods</subject><subject>Spectrum analysis</subject><subject>Uncertainty</subject><issn>0003-2700</issn><issn>1520-6882</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNplkMtOwzAQRS0EgvJY8APIQmLBIjC20zhZVhUvCQRCdB1NHbsxSuNgpxX5e4wodMFqNmfO3LmEnDK4YsDZNSoOwAsYdsiIjTkkWZ7zXTICAJFwCXBADkN4B2AMWLZPDjhLc8gkH5Fuomqr17ZdULjiF_RVN9jbtaY3nx22la7orFXa92jbfqC2pQ-updPauyX2buGxqwc6abEZgg10Fr49SO_tok5etDfOLzGu0yfd165yjVsMx2TPYBP0yWYekdntzdv0Pnl8vnuYTh4TFKLoE8WwEKrK1TjLCtCczYURkFfAjEmNFLKQMk8BteAFnyutFaSgJJhYSBEN4oic_3g77z5WOvTlu1v5mDSUuYTolDyL0OUPpLwLwWtTdt4u0Q8lg_K72vKv2siebYSr-VJXf-RvlxG42AAYFDbGx9dt2HIpG-eFzLYcqrAN9f_gF-REi6M</recordid><startdate>20110515</startdate><enddate>20110515</enddate><creator>Brennan, Ryan G</creator><creator>Butler, Therese A</creator><creator>Winchester, Michael R</creator><general>American Chemical Society</general><scope>IQODW</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>7QO</scope><scope>7QQ</scope><scope>7SC</scope><scope>7SE</scope><scope>7SP</scope><scope>7SR</scope><scope>7TA</scope><scope>7TB</scope><scope>7TM</scope><scope>7U5</scope><scope>7U7</scope><scope>7U9</scope><scope>8BQ</scope><scope>8FD</scope><scope>C1K</scope><scope>F28</scope><scope>FR3</scope><scope>H8D</scope><scope>H8G</scope><scope>H94</scope><scope>JG9</scope><scope>JQ2</scope><scope>KR7</scope><scope>L7M</scope><scope>L~C</scope><scope>L~D</scope><scope>P64</scope></search><sort><creationdate>20110515</creationdate><title>Achieving 0.2% Relative Expanded Uncertainty in Ion Chromatography Analysis Using a High-Performance Methodology</title><author>Brennan, Ryan G ; 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Chem</addtitle><date>2011-05-15</date><risdate>2011</risdate><volume>83</volume><issue>10</issue><spage>3801</spage><epage>3807</epage><pages>3801-3807</pages><issn>0003-2700</issn><eissn>1520-6882</eissn><coden>ANCHAM</coden><abstract>A high-performance (HP) technique that was originally developed for inductively coupled plasma optical emission spectrometry (ICP-OES) has been successfully translated to ion chromatography (IC) to enable analyses with extremely low uncertainty. As an example application of the HP-IC methodology, analyses of several National Institute of Standards and Technology (NIST) Standard Reference Materials (SRMs) in the SRM 3180 series of anion standard solutions are reported. The relative expanded uncertainty values expressed at 95% confidence for these analyses range from 0.087% to 0.27% and average 0.18%. Strong correlation between analyte and internal standard anion peak heights or peak areas, as well as the use of a unique drift-correction approach, is shown to be important for attaining such low uncertainty.</abstract><cop>Washington, DC</cop><pub>American Chemical Society</pub><pmid>21480672</pmid><doi>10.1021/ac200290y</doi><tpages>7</tpages></addata></record> |
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subjects | Analytical chemistry Chemistry Chromatographic methods and physical methods associated with chromatography Chromatography Correlation analysis Exact sciences and technology Other chromatographic methods Spectrometric and optical methods Spectrum analysis Uncertainty |
title | Achieving 0.2% Relative Expanded Uncertainty in Ion Chromatography Analysis Using a High-Performance Methodology |
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