Determination of phthalates in milk and milk products by liquid chromatography/tandem mass spectrometry

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書誌事項

公開日
2006-03-07
権利情報
  • http://onlinelibrary.wiley.com/termsAndConditions#vor
DOI
  • 10.1002/rcm.2425
公開者
Wiley

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<jats:title>Abstract</jats:title> <jats:p> A liquid chromatographic/tandem mass spectrometric method using pneumatically assisted electrospray ionisation (LC/ESI‐MS/MS) was developed for determination of dibutyl phthalate (DBP), benzyl butyl phthalate (BBP), di‐2‐ethylhexyl phthalate (DEHP), di‐‘isononyl’ phthalate (DINP) and di‐‘isodecyl’ phthalate (DIDP) in milk and milk products including infant formulas. The phthalates were extracted by a mixture of <jats:italic>tert</jats:italic> ‐butyl methyl ether and hexane from liquid samples. DBP, BBP and DEHP were removed from fats by liquid/liquid extraction into acetonitrile while DINP and DIDP were cleaned up on deactivated silica. The phthalates were detected in positive ion mode after separation on a reversed‐phase C <jats:sub>5</jats:sub> analytical column. Two transition products were monitored for each compound. The detection limits related to the transition products of lowest abundance were in the range 5–9 µg/kg. Copyright © 2006 John Wiley & Sons, Ltd. </jats:p>

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