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《液相色譜-串聯(lián)質(zhì)譜法測定罐頭食品中的雙酚A、雙酚A二縮水甘油醚及其衍生物》由會員上傳分享,免費(fèi)在線閱讀,更多相關(guān)內(nèi)容在行業(yè)資料-天天文庫。
1、液相色譜一串聯(lián)質(zhì)譜法測定罐頭食品中的雙酚A、雙酚A二縮水甘油醚及其衍生物虞成華,陸志蕓,葛宇,忻元慶。,寧嘯駿,印杰,熊薇(1.上海市質(zhì)量監(jiān)督檢驗技術(shù)研究院,上海200233;2.上海市質(zhì)量技術(shù)監(jiān)督局,上海200233)摘要:提出了罐頭食品中的雙酚A、雙酚A二縮水甘油醚及雙酚A二縮水甘油醚的衍生物等7種化合物的液相色譜一串聯(lián)質(zhì)譜分析方法。樣品經(jīng)乙腈提取后,用正己烷凈化,然后取下層清液蒸發(fā)至干。用乙腈一水(3+7)溶液溶解殘渣,經(jīng)HypersilGOIDC】8色譜柱(2.1mm×100mm,3fm)分離,不同比例的乙酸銨溶液和甲醇的混合液為流動相作梯度淋洗,采用正離子模式多反應(yīng)監(jiān)
2、測。7種化合物的質(zhì)量濃度與其峰面積均在一定范圍內(nèi)呈線性關(guān)系,檢出限(aS~N)均不大于2g·I。。。。以罐頭食品為基體,加入3種不同濃度的7種標(biāo)準(zhǔn)溶液做回收試驗,測得平均回收率在80.O~105.6之間,相對標(biāo)準(zhǔn)偏差在3.2~14之間。關(guān)鍵詞:液相色譜一串聯(lián)質(zhì)譜法;罐頭食品;雙酚A;雙酚A二縮水甘油醚及其衍生物中圖分類號:0657.63文獻(xiàn)標(biāo)志碼:A文章編號:1001—4020(2011)03—0261—05LC-MS/MSDeterminationofBisphenolA.BisphenolADiglycidylEtherandItsDerivativesinCannedFo
3、odYUCheng-hua,LUZhi—yun,GEYu,XINYuan-qing~,NINGXiao-jun,YINJie,XIONGⅥj(1.ShanghaiResearchInstituteofQualitySupervisionandInspectionTechnology,Shanghai200233,China;2.ShanghaiMunicipalBureauofQualityandTechnicalSupervision,Shanghai200233,China)Abstract:LC-MS/MSwasappliedtOthedeterminationofbis
4、pbenolA(BPA),bisphenolAdiglyeidylether(BADGE)anditsderivativesincannedfood.Sampleofcannedfoodwasextractedbyacetonitrileandpurifiedbyn—hexane,andtheclearlowerphaseobtainedwasevaporatedtodryness.Theresiduewasdissolvedwithacetonitrile-water(3+7)mixtureandusedforLC-MS/MSdetermination,inwhichHype
5、rsilGOLDCl8column(2.1rain×100mln,3m)wasusedaschromatographiccolumn,andmixturesofammoniumacetatesolutionandmethanolofdifferentproportionswereusedasmobilephaseingradientelution;positiveelectrosprayionizationaswellasmultiplereactionmonitoringmodewasusedinthedetection.Linearrelationshipbetweenva
6、luesofpeakareaandmassconcentrationof7compoundswereobtainedindefiniteranges,withdetectionlimit(3S/N)lessthanOrequaItO2fig·L.Testsforrecoveryandprecisionweremadebyadditionofstandardsolutionsofthe7standardsin3differentconcentrationlevelstOcannedfoodsamplewhichwasthenanalyzedbytheproposedmethod.
7、ValuesofaveragerecoveryandRSDS(—lO)obtainedwereintheFangesof80.0H一105.6~/0and3.2-14respectively.Keywords:LC-MS/MS;Cannedfood;BisphenolA:BisphenolAdiglycidyletheranditsderivatives雙酚AE2,2一雙(4一羥基苯基)丙烷,簡稱BPA]和雙酚A二縮水甘油醚(BADGE),由于可以作為環(huán)氧樹脂的合成起始物質(zhì)和清除過量氯酸的添