2反相高效液相色谱测定厌氧反应上清液中挥发性脂肪酸孙绪顺

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Vol.28,No.5,2009,,(,200240)(VFA),。(HPLC)、、、。487%,RSD2.56~4.78mg/L8.23%~10.31%。。(HPLC)(VFA):X830.2:A:1009-0177(2009)05-0064-03DeterminationofVolatileFattyAcidsinAnaerobicReactionbyHighPerformanceLiquidChromatographySUNXu-shun,CHUChun-feng,LIChun-jie(ShanghaiJiaoTongUniversity,SchoolofEnvironmentalScienceandEngineering,Shanghai200240,China)AbstractVolatilefattyacids(VFA)areimportantparametersintheanaerobicfermentationreactionsystem.Accurateunderstandingofvarioustypesofvolatilefattyacidscontentisanimportantsteptoensurethenormaloperationofanaerobicfermentationreaction.Theexperimentsetupamethodbyhighperformanceliquidchromatography(HPLC)todeterminetheformicacid,aceticacid,propionicacid,butyricacid.TheresultshowsthattherecoveriesoffourVFAsarelargerthan87%,detectionlimitsandRSDrangedfrom2.56mg/Lto4.78mg/Land8.23%to10.31%.ItprovedthatthismeasurementcanbeaccomplishedtodeterminethecontentofVFAsmoothlyandexactly.Keywordshighperformanceliquidchromatography(HPLC)volatilefattyacids(VFA)anaerobicreaction[]2009-05-19[](1984-),,,。:021-34203740;E-mail:sunxushun@gmail.com。[],:021-54744540,E-mail:cfchu@sjtu.edu.cn。2009,28(5):64-66WaterPurificationTechnology!!!!!!!!!!!!!!(volatilefattyacids,VFA),。、,。[1],[2],[3]。,。、、、、。、,。、、、,、,、,。,。,。、,,。64--WATERPURIFICATIONTECHNOLOGYVol.28,No.5,2009October25th,2009。。,、,,,[4]。,,,,[3、5]。,、。,:(1),。(2),。,。(3),。[3]。,,,。,、、。、、。、,。11.11.1.12010A。CLASS-VP。1.1.2、、、、、。,。1.21.2.1C18。(PBS),pH=2.5。10mmol/L。1mL/min。30℃。210nm[6]。10μL。1.2.2(1),。,[6]。,,,。,,。。、。,10mmol/L。(2),。,,。,,,。,,。78∶22。(3)pHpH。[6-10],pH=2.5。,1。1.3CSRT。350015min。HPLC0.45μm。0℃。HPLC3d。22.165--Vol.28,No.5,2009,,.、、、,2。1。2.2:。。2。:。(RSD),4RSD8.23%、10.31%、9.73%、5.59%。3,5。3。4,。、,。、,。[1],,.[J].,2005,21(3):25-27.[2],,,.[J].,2002,32(1):83-89.[3],,.[J].,2003,21(4):3-5.[4],,.[J].,2007(1):61-63.[5],,,.(VFA)[J].,2000,33(6):31-34.[6],,,.[J].,2001(3):260-263.[7],,,.[J].,2004(8):96-100.[8]KawasakiH.Expressionofsurvivincorrelateswithapoptosis,proliferation,andangiogenesisduringhumancolorectaltumorige-nesis[J].Cancer,2001,91(11):2026-2032.[9],,,.[J].,2007:527-528.[10].[M].:,1998,511.3Table.3ConcentrationoffourVFAs———/(mg·L-1)/(mg·L-1)/(mg·L-1)/(mg·L-1)20093128.99388.30135.7227.9820093885.55261.08393.7710.2320094120.93110.69171.119.872009415169.23476.03432.85———2009420113.71258.29405.28———1Tab.1ParametersoffourVFAs/minR2/(mg·L-1)3.112y=0.0769x+7.64160.99733.173.991y=0.1915x+9.02870.99914.786.258y=0.1122x+2.89990.99942.567.902y=0.0424x-6.59460.99952.592Tab.2TherecoveryoffourVFAs/(mg·L-1)/(mg·L-1)/(mg·L-1)/%13720031287.50114.65200308.596.93453.58200642.394.3691.9100200.6108.70a:formicacidb:aceticacidc:propionicacidd:butyricacid1Fig.1ChromatogramoffourVFAs66--

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