{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,27]],"date-time":"2026-04-27T10:56:06Z","timestamp":1777287366638,"version":"3.51.4"},"reference-count":28,"publisher":"Wiley","issue":"12","license":[{"start":{"date-parts":[[2016,6,21]],"date-time":"2016-06-21T00:00:00Z","timestamp":1466467200000},"content-version":"vor","delay-in-days":20,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J of Separation Science"],"published-print":{"date-parts":[[2016,6]]},"abstract":"<jats:p>A sensitive and selective gas chromatography with mass spectrometry method was developed for the simultaneous determination of three organophosphorus pesticides, namely, chlorpyrifos, malathion, and diazinon in three different food commodities (milk, apples, and drinking water) employing solid\u2010phase extraction for sample pretreatment. Pesticide extraction from different sample matrices was carried out on Chromabond C<jats:sub>18<\/jats:sub> cartridges using 3.0 mL of methanol and 3.0 mL of a mixture of dichloromethane\/acetonitrile (1:1 v\/v) as the eluting solvent. Analysis was carried out by gas chromatography coupled with mass spectrometry using selected\u2010ion monitoring mode. Good linear relationships were obtained in the range of 0.1\u201350 \u03bcg\/L for chlorpyrifos, and 0.05\u201350 \u03bcg\/L for both malathion and diazinon pesticides. Good repeatability and recoveries were obtained in the range of 78.54\u201386.73% for three pesticides under the optimized experimental conditions. The limit of detection ranged from 0.02 to 0.03 \u03bcg\/L, and the limit of quantification ranged from 0.05 to 0.1 \u03bcg\/L for all three pesticides. Finally, the developed method was successfully applied for the determination of three targeted pesticides in milk, apples, and drinking water samples each in triplicate. No pesticide was found in apple and milk samples, but chlorpyrifos was found in one drinking water sample below the quantification level.<\/jats:p>","DOI":"10.1002\/jssc.201600155","type":"journal-article","created":{"date-parts":[[2016,4,20]],"date-time":"2016-04-20T03:51:52Z","timestamp":1461124312000},"page":"2276-2283","source":"Crossref","is-referenced-by-count":26,"title":["Simultaneous determination of three organophosphorus pesticides in different food commodities by gas chromatography with mass spectrometry"],"prefix":"10.1002","volume":"39","author":[{"given":"Ambavaram","family":"Vijaya Bhaskar Reddy","sequence":"first","affiliation":[{"name":"Centre for Environmental Sustainability and Water Security (IPASA), Research Institute for Sustainable Environment Universiti Teknologi Malaysia  Johor Bahru Johor Malaysia"},{"name":"Department of Chemistry, Faculty of Science Universiti Teknologi Malaysia  Johor Bahru Johor Malaysia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zulkifli","family":"Yusop","sequence":"additional","affiliation":[{"name":"Centre for Environmental Sustainability and Water Security (IPASA), Research Institute for Sustainable Environment Universiti Teknologi Malaysia  Johor Bahru Johor Malaysia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jafariah","family":"Jaafar","sequence":"additional","affiliation":[{"name":"Department of Chemistry, Faculty of Science Universiti Teknologi Malaysia  Johor Bahru Johor Malaysia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Azmi","family":"Bin Aris","sequence":"additional","affiliation":[{"name":"Centre for Environmental Sustainability and Water Security (IPASA), Research Institute for Sustainable Environment Universiti Teknologi Malaysia  Johor Bahru Johor Malaysia"},{"name":"Department of Environmental Engineering, Faculty of Civil Engineering Universiti Teknologi Malaysia  Johor Bahru Johor Malaysia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zaiton","family":"Abdul Majid","sequence":"additional","affiliation":[{"name":"Department of Chemistry, Faculty of Science Universiti Teknologi Malaysia  Johor Bahru Johor Malaysia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Khalid","family":"Umar","sequence":"additional","affiliation":[{"name":"Centre for Environmental Sustainability and Water Security (IPASA), Research Institute for Sustainable Environment Universiti Teknologi Malaysia  Johor Bahru Johor Malaysia"},{"name":"Department of Environmental Engineering, Faculty of Civil Engineering Universiti Teknologi Malaysia  Johor Bahru Johor Malaysia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Juhaizah","family":"Talib","sequence":"additional","affiliation":[{"name":"Centre for Environmental Sustainability and Water Security (IPASA), Research Institute for Sustainable Environment Universiti Teknologi Malaysia  Johor Bahru Johor Malaysia"},{"name":"Department of Environmental Engineering, Faculty of Civil Engineering Universiti Teknologi Malaysia  Johor Bahru Johor Malaysia"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2016,6,21]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.molliq.2012.12.032"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1002\/jssc.201401209"},{"key":"e_1_2_8_4_1","first-page":"331","article-title":"Relative efficiency comparison of carboxymethyl cellulose (CMC) stabilized Fe0 and Fe0\/Ag nanoparticles for rapid degradation of chlorpyrifos in aqueous solutions","volume":"10","author":"Bhaskar Reddy A. 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