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Herein, copper\u2010benzyl tricarboxylic acid based metal organic frameworks have showed a high efficiency in enrichment and microextraction of malathion from food and water samples. The microextraction procedures were followed by determination of malathion by ultra high performance liquid chromatography with tandem mass spectrometry. The optimum recoveries for malathion were obtained at pH 6, and with using 2 mL of ethyl acetate as the eluent. The microextraction procedures showed a detection limits and the quantification limits of 4.0 and 10.0 \u00b5g\/L, respectively. The intra\u2010 and interday precision showed a relative standard deviation% less than 10. The feasibility of the proposed procedure was determined by evaluating the addition\/recovery studies of malathion from the real samples. The absolute recovery% was \u226592%. Furthermore, some ions were tested as cointerfering ions, and the recovery% was 93\u2010100%. These results confirm that the developed microextraction procedure based on copper\u2010benzyl tricarboxylic acid based metal organic frameworks as extractor for dispersive solid phase microextraction is matrix\u2010independent, and can be applied for various real samples including different matrix or various malathion content.<\/jats:p>","DOI":"10.1002\/jssc.202000033","type":"journal-article","created":{"date-parts":[[2020,5,28]],"date-time":"2020-05-28T06:54:41Z","timestamp":1590648881000},"page":"3103-3109","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":55,"title":["Metal organic frameworks enhanced dispersive solid phase microextraction of malathion before detection by UHPLC\u2010MS\/MS"],"prefix":"10.1002","volume":"43","author":[{"given":"Mohamed","family":"Habila","sequence":"first","affiliation":[{"name":"Chemistry Department College of Science King Saud University  Riyadh Kingdom of Saudi Arabia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bushra","family":"Alhenaki","sequence":"additional","affiliation":[{"name":"Chemistry Department College of Science King Saud University  Riyadh Kingdom of Saudi Arabia"},{"name":"Chemistry Department Science and Art College in Buraydah Qassim University  Al\u2010Qassim Kingdom of Saudi Arabia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Adel","family":"El\u2010Marghany","sequence":"additional","affiliation":[{"name":"Chemistry Department College of Science King Saud University  Riyadh Kingdom of Saudi Arabia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mohamed","family":"Sheikh","sequence":"additional","affiliation":[{"name":"Chemistry Department College of Science King Saud University  Riyadh Kingdom of Saudi Arabia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ayman","family":"Ghfar","sequence":"additional","affiliation":[{"name":"Chemistry Department College of Science King Saud University  Riyadh Kingdom of Saudi Arabia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zeid","family":"ALOthman","sequence":"additional","affiliation":[{"name":"Chemistry Department College of Science King Saud University  Riyadh Kingdom of Saudi Arabia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mustafa","family":"Soylak","sequence":"additional","affiliation":[{"name":"Science Faculty Department of Chemistry Erciyes University  Kayseri Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2020,7,6]]},"reference":[{"key":"e_1_2_8_2_1","unstructured":"Federal Register.Malathion; revised reregistration eligibility decision [internet]. 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