Interlaboratory Comparison for the Determination of Five Residual Organochlorine Pesticides in Ginseng Root Samples by Gas Chromatography
An interlaboratory comparison study for the determination of 5 residual organochlorine pesticides (hexachlorobenzene and 4 hexachlorocyclohexane isomers) in ginseng root was performed. This program [Asia Pacific Laboratory Accreditation Cooperation (APLAC) T049] was the first of its kind for an herb...
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description | An interlaboratory comparison study for the determination of 5 residual organochlorine pesticides (hexachlorobenzene and 4 hexachlorocyclohexane isomers) in ginseng root was performed. This program [Asia Pacific Laboratory Accreditation Cooperation (APLAC) T049] was the first of its kind for an herbal matrix and involved the participation of 70 laboratories from 26 countries worldwide. Consensus mean values were computed statistically from the reported results, which were eventually used to assess the performance of individual laboratories in terms of the z-scores. The distribution of analytical data was found to be widespread, with standard deviation ranging from 43.9 to 55.9%, and the result patterns obtained were similar to those residue pesticide programs using other matrixes. Although the estimation of measurement uncertainty is a crucial requirement for all quantitative tests for laboratories that meet the requirements of International Organization for Standardization/International Electrotechnical Commisssion (ISO/IEC) 17025, some laboratories in this program had difficulties and showed unfamiliarity with respect to that quality criterion. It was recommended that laboratories review and rectify the situation promptly so that they would have a better understanding of measurement uncertainty or the test service provided. |
doi_str_mv | 10.1093/jaoac/90.4.1133 |
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This program [Asia Pacific Laboratory Accreditation Cooperation (APLAC) T049] was the first of its kind for an herbal matrix and involved the participation of 70 laboratories from 26 countries worldwide. Consensus mean values were computed statistically from the reported results, which were eventually used to assess the performance of individual laboratories in terms of the z-scores. The distribution of analytical data was found to be widespread, with standard deviation ranging from 43.9 to 55.9%, and the result patterns obtained were similar to those residue pesticide programs using other matrixes. Although the estimation of measurement uncertainty is a crucial requirement for all quantitative tests for laboratories that meet the requirements of International Organization for Standardization/International Electrotechnical Commisssion (ISO/IEC) 17025, some laboratories in this program had difficulties and showed unfamiliarity with respect to that quality criterion. It was recommended that laboratories review and rectify the situation promptly so that they would have a better understanding of measurement uncertainty or the test service provided.</description><identifier>ISSN: 1060-3271</identifier><identifier>EISSN: 1944-7922</identifier><identifier>DOI: 10.1093/jaoac/90.4.1133</identifier><identifier>PMID: 17760352</identifier><language>eng</language><publisher>Gaithersburg, MD: AOAC International</publisher><subject>Biological and medical sciences ; capillary gas chromatography ; Chemical properties ; Chlorine - analysis ; Chromatography, Gas - methods ; Clinical Laboratory Techniques ; Electrochemistry - methods ; Food Analysis - methods ; Food Contamination ; Food industries ; Fundamental and applied biological sciences. Psychology ; fungicide residues ; Gas chromatography ; General pharmacology ; HCH (pesticide) ; herbs ; hexachlorobenzene ; Hydrocarbons, Chlorinated - chemistry ; Identification and classification ; laboratory techniques ; Medical sciences ; Methods ; Organochlorine compounds ; Panax - metabolism ; Panax ginseng ; pesticide residues ; Pesticide Residues - analysis ; Pesticides ; Pesticides - analysis ; Pharmacognosy. Homeopathy. Health food ; Pharmacology. Drug treatments ; Plant Roots - metabolism ; Quality Control ; Reproducibility of Results ; roots</subject><ispartof>Journal of AOAC International, 2007-07, Vol.90 (4), p.1133-1141</ispartof><rights>2007 INIST-CNRS</rights><rights>COPYRIGHT 2007 Oxford University Press</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c429t-8f93c4404c0663976f3508b8e8845688998337025c8b59300085e265c345f93a3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27903,27904</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=18965084$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/17760352$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Kong, M.F</creatorcontrib><creatorcontrib>Chan, S</creatorcontrib><creatorcontrib>Wong, Y.C</creatorcontrib><creatorcontrib>Wong, S.K</creatorcontrib><creatorcontrib>Sin, D.W.M</creatorcontrib><title>Interlaboratory Comparison for the Determination of Five Residual Organochlorine Pesticides in Ginseng Root Samples by Gas Chromatography</title><title>Journal of AOAC International</title><addtitle>J AOAC Int</addtitle><description>An interlaboratory comparison study for the determination of 5 residual organochlorine pesticides (hexachlorobenzene and 4 hexachlorocyclohexane isomers) in ginseng root was performed. This program [Asia Pacific Laboratory Accreditation Cooperation (APLAC) T049] was the first of its kind for an herbal matrix and involved the participation of 70 laboratories from 26 countries worldwide. Consensus mean values were computed statistically from the reported results, which were eventually used to assess the performance of individual laboratories in terms of the z-scores. The distribution of analytical data was found to be widespread, with standard deviation ranging from 43.9 to 55.9%, and the result patterns obtained were similar to those residue pesticide programs using other matrixes. Although the estimation of measurement uncertainty is a crucial requirement for all quantitative tests for laboratories that meet the requirements of International Organization for Standardization/International Electrotechnical Commisssion (ISO/IEC) 17025, some laboratories in this program had difficulties and showed unfamiliarity with respect to that quality criterion. It was recommended that laboratories review and rectify the situation promptly so that they would have a better understanding of measurement uncertainty or the test service provided.</description><subject>Biological and medical sciences</subject><subject>capillary gas chromatography</subject><subject>Chemical properties</subject><subject>Chlorine - analysis</subject><subject>Chromatography, Gas - methods</subject><subject>Clinical Laboratory Techniques</subject><subject>Electrochemistry - methods</subject><subject>Food Analysis - methods</subject><subject>Food Contamination</subject><subject>Food industries</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>fungicide residues</subject><subject>Gas chromatography</subject><subject>General pharmacology</subject><subject>HCH (pesticide)</subject><subject>herbs</subject><subject>hexachlorobenzene</subject><subject>Hydrocarbons, Chlorinated - chemistry</subject><subject>Identification and classification</subject><subject>laboratory techniques</subject><subject>Medical sciences</subject><subject>Methods</subject><subject>Organochlorine compounds</subject><subject>Panax - metabolism</subject><subject>Panax ginseng</subject><subject>pesticide residues</subject><subject>Pesticide Residues - analysis</subject><subject>Pesticides</subject><subject>Pesticides - analysis</subject><subject>Pharmacognosy. Homeopathy. Health food</subject><subject>Pharmacology. Drug treatments</subject><subject>Plant Roots - metabolism</subject><subject>Quality Control</subject><subject>Reproducibility of Results</subject><subject>roots</subject><issn>1060-3271</issn><issn>1944-7922</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpFkU9rHCEYh6W0NGnac2-tlxxn13_j6DFsm20gkJI0Z3nH1VnDjA46KexH6LeO6S4ED8qP51Fefwh9pWRFiebrJ0hg15qsxIpSzt-hc6qFaDrN2Pt6JpI0nHX0DH0q5YkQQSVhH9EZ7TpJeMvO0b-buLg8Qp8yLCkf8CZNM-RQUsQ-ZbzsHf7hKjKFCEuoafL4Ovx1-N6VsHuGEd_lAWKy-zHlEB3-7coSbNi5gkPE2xCLiwO-T2nBDzDNY837A95CwZt9TlN9dcgw7w-f0QcPY3FfTvsFerz--Wfzq7m9295srm4bK5heGuU1t0IQYYmUXHfS85aoXjmlRCuV0lpx3hHWWtW3mhNCVOuYbC0XbVWBX6DV8d4BRmdC9GnJYOvauSnYFJ0PNb-inai6VLQK66NgcyolO2_mHCbIB0OJeW3B_G_BaGKEeW2hGt-OxvzcT273xp--vQKXJwCKhdFniDaUN05pWYcSlft-5DwkA0OtxTw-MELrWIpJLjr-Am3vmlQ</recordid><startdate>20070701</startdate><enddate>20070701</enddate><creator>Kong, M.F</creator><creator>Chan, S</creator><creator>Wong, Y.C</creator><creator>Wong, S.K</creator><creator>Sin, D.W.M</creator><general>AOAC International</general><general>Oxford University Press</general><scope>FBQ</scope><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20070701</creationdate><title>Interlaboratory Comparison for the Determination of Five Residual Organochlorine Pesticides in Ginseng Root Samples by Gas Chromatography</title><author>Kong, M.F ; Chan, S ; Wong, Y.C ; Wong, S.K ; Sin, D.W.M</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c429t-8f93c4404c0663976f3508b8e8845688998337025c8b59300085e265c345f93a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Biological and medical sciences</topic><topic>capillary gas chromatography</topic><topic>Chemical properties</topic><topic>Chlorine - analysis</topic><topic>Chromatography, Gas - methods</topic><topic>Clinical Laboratory Techniques</topic><topic>Electrochemistry - methods</topic><topic>Food Analysis - methods</topic><topic>Food Contamination</topic><topic>Food industries</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>fungicide residues</topic><topic>Gas chromatography</topic><topic>General pharmacology</topic><topic>HCH (pesticide)</topic><topic>herbs</topic><topic>hexachlorobenzene</topic><topic>Hydrocarbons, Chlorinated - chemistry</topic><topic>Identification and classification</topic><topic>laboratory techniques</topic><topic>Medical sciences</topic><topic>Methods</topic><topic>Organochlorine compounds</topic><topic>Panax - metabolism</topic><topic>Panax ginseng</topic><topic>pesticide residues</topic><topic>Pesticide Residues - analysis</topic><topic>Pesticides</topic><topic>Pesticides - analysis</topic><topic>Pharmacognosy. Homeopathy. Health food</topic><topic>Pharmacology. Drug treatments</topic><topic>Plant Roots - metabolism</topic><topic>Quality Control</topic><topic>Reproducibility of Results</topic><topic>roots</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kong, M.F</creatorcontrib><creatorcontrib>Chan, S</creatorcontrib><creatorcontrib>Wong, Y.C</creatorcontrib><creatorcontrib>Wong, S.K</creatorcontrib><creatorcontrib>Sin, D.W.M</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><jtitle>Journal of AOAC International</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kong, M.F</au><au>Chan, S</au><au>Wong, Y.C</au><au>Wong, S.K</au><au>Sin, D.W.M</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Interlaboratory Comparison for the Determination of Five Residual Organochlorine Pesticides in Ginseng Root Samples by Gas Chromatography</atitle><jtitle>Journal of AOAC International</jtitle><addtitle>J AOAC Int</addtitle><date>2007-07-01</date><risdate>2007</risdate><volume>90</volume><issue>4</issue><spage>1133</spage><epage>1141</epage><pages>1133-1141</pages><issn>1060-3271</issn><eissn>1944-7922</eissn><abstract>An interlaboratory comparison study for the determination of 5 residual organochlorine pesticides (hexachlorobenzene and 4 hexachlorocyclohexane isomers) in ginseng root was performed. This program [Asia Pacific Laboratory Accreditation Cooperation (APLAC) T049] was the first of its kind for an herbal matrix and involved the participation of 70 laboratories from 26 countries worldwide. Consensus mean values were computed statistically from the reported results, which were eventually used to assess the performance of individual laboratories in terms of the z-scores. The distribution of analytical data was found to be widespread, with standard deviation ranging from 43.9 to 55.9%, and the result patterns obtained were similar to those residue pesticide programs using other matrixes. Although the estimation of measurement uncertainty is a crucial requirement for all quantitative tests for laboratories that meet the requirements of International Organization for Standardization/International Electrotechnical Commisssion (ISO/IEC) 17025, some laboratories in this program had difficulties and showed unfamiliarity with respect to that quality criterion. It was recommended that laboratories review and rectify the situation promptly so that they would have a better understanding of measurement uncertainty or the test service provided.</abstract><cop>Gaithersburg, MD</cop><pub>AOAC International</pub><pmid>17760352</pmid><doi>10.1093/jaoac/90.4.1133</doi><tpages>9</tpages><oa>free_for_read</oa></addata></record> |
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subjects | Biological and medical sciences capillary gas chromatography Chemical properties Chlorine - analysis Chromatography, Gas - methods Clinical Laboratory Techniques Electrochemistry - methods Food Analysis - methods Food Contamination Food industries Fundamental and applied biological sciences. Psychology fungicide residues Gas chromatography General pharmacology HCH (pesticide) herbs hexachlorobenzene Hydrocarbons, Chlorinated - chemistry Identification and classification laboratory techniques Medical sciences Methods Organochlorine compounds Panax - metabolism Panax ginseng pesticide residues Pesticide Residues - analysis Pesticides Pesticides - analysis Pharmacognosy. Homeopathy. Health food Pharmacology. Drug treatments Plant Roots - metabolism Quality Control Reproducibility of Results roots |
title | Interlaboratory Comparison for the Determination of Five Residual Organochlorine Pesticides in Ginseng Root Samples by Gas Chromatography |
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