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1、2014‘}l1』J色譜Vo1．32N0．1INovember20l4ChineseJournalofChromatographyl280～l285技術(shù)與應(yīng)用DOI：10．3724／SP．J，Il23．20l4．06043摘要：采川JC18?十fi_篳取技術(shù)對合成C制烯烴(SGTO)的J物進f顱處，將產(chǎn)物分離為禽氧化介物與炎，采H】柑色-質(zhì)譜法(GC—MS)努察分離效蚪鑒定J物中的氧化介物，使EtJ焰離r化檢測(FID)定計際樣一}，的禽鋱化介物．他川其正佝2一俐、Il構(gòu)醇的響啦子作為Ⅲ碳數(shù)、雕的FID響應(yīng)f優(yōu)化Cl8
2、小洗脫條什．他月j懷準(zhǔn)樣品比較預(yù)處前后的‘法回收牢醇類川收率為88％～98％，州炎標(biāo)準(zhǔn)^^同收為64％～87％l197～4785mg／L范?內(nèi)，準(zhǔn)『1『具有較女r的線父系，卡¨父系數(shù)均人于0．99定性Jf定：l；=測定rSGTO物巾的67種鋱化合物，發(fā)脫JF卡勾、I卜構(gòu)2．州為SGTO產(chǎn)物I，的：ii要含鈑化合物，¨[1If仔少他蚌構(gòu)怵陔力‘法操作簡、怏速、樣求節(jié)小，f：能夠l0min成佯1f的顧處分析果為SGTO『：藝化卉lJ、動力：深入研究提供r必要的j礎(chǔ)數(shù)拂j關(guān)鍵詞：川f¨萃??；C相色譜；質(zhì)譜；氯焰離了化愉測；含
3、氰化物；成0烯中圖分類號：0658文獻標(biāo)識碼：A文章編號：l000·87l3(20l4)Il—l280—06Abstract：Thesyngas—to—olefin(SGTO)productsmainlyconsistofhydrocarbonsalongwithsmallamountsofoxygenatesasthebyproducts．AC18solid—phaseextraction(SPE)columnwasusedforoxygenatesenrichmentinSGTOproducts．Asthehydr
4、ophobiccompounds，thehydrocarbonshadstrongerinteractionwithaC18SPEcolumnthanoxygenates．Undertheopti—mizedelutionconditions，theoxygenateswerefirstelutedfrointheC18SPEcolunmwith60％(v／v)methanolsolution．Thefractionofoxygenateswasthenanalyzedwithgaschromatogra—phy—ma
5、ssspectrometry(GC—MS)forqualificationandgaschromatography—hydrogenflameion—izationdetection(GC—FID)forquantificati0n．TheFIDresponsefactorsof竹一alkanoland一ketonewereusedforalkanolsandketonesquantitativecalculationandthemethodrecoverieswere88％一98％and64％一87％respecti
6、vely．Intherangeofl97—4785mg／L．goodlinearrela-tionshipsoftheFIDresponseswiththecOrrespOndingmassconcentrationsofthestandardsaul—pieswereobtainedwiththelinearregressioncoeficientsgreaterthan0．99．Sixty—sevenoxygen—ateswereanalyzedqualitativelyandquantitatively．Ther
7、esultsshowedthatthefractionoftheoxygenatesmainlyconsistsofalkanolsandketones．ThetotalcontentoftheoxygenatesinSGTOproductswas6．2％．Theenrichmentmethodonlyrequiresaverysmallamountofsampleandthetotalprocesscanbecompletedwithinl0min．TheanalysisresultsofSGTOproductstu
8、diescanprovidethenecessarybasicdataforSGTOcatalystsanddynamicsstudies．Keywords：solid—phaseextraction(SPE)；gaschromatography(GC)；massspectrometry(MS)；hydrogenflameioni
