逐级化学提取-SCEE-技术及其在煤微量元素赋存状态研究中的应用

:(1984),,::20090825(SCEE)王擎1,柳桐1,柏静儒1,2,焦国军1,魏艳珍1(1.,132012;2.,102249):(SCEE),SCEETessierBCR,SCEE,:(1);(2):;;;:TQ536:A:16719905(2010)01002505,(SCEE),,,SCEETessierBCRSCEE,1SCEE技术的理论依据(),,,,,,,,,,206070,,,SCEETessier21,,[1],,TessierBCR,Tessier(1),,,:(1);(2),;(3),,[2]39120101Technology&DevelopmentofChemicalIndustryVol39No1Jan2010BCR(2),,,,BCRCaMgICPMS[3]2SCEE技术在煤微量元素赋存状态研究中的应用,,,,1961,Durie;MillerGiven1molL-1HCl;TomscheySlovakianAjka;DreherFinkelmanPalmerFinkelman;QuerolCavenderSpears,Hg,,[7~12]3煤中不同赋存状态元素在逐级化学提取中的归属问题讨论,,,[13]31,pH71molL-1NH4Ac,1molL-1CH3COONa,1molL-1MgCl232,Tomskey,()(),()004molL-1NH2OHHCl25%(V/V)31526391[7][8],[9],[10,11][12]123115mL1molL-1MgCl21molL-1NaOAc(pH820)30mLH2O30mLNH4Ac15mL,1molL-1MgCl21molL-1CH3COONa215mL25%HOAc(V/V)+004molL-1NH4OHHCl15mL1molL-1NaOAc(pH50)147gcm-3,10mLHCl(05%)15mL25%HOAc(004molL-1NH2OHHCl)CH3COONH4-CH3COOH(pH=5),5mL02molL-1HNO3+10mLH2O215mL2molL-1HNO3147gcm-3,,,11HNO3+HClO415mL,17HNO34molL-1HCl3HF+HClO4,;HF,;5%HNO3289gcm-3,HNO3HF10mLH2O(HNO3pH=2)+5mL30%H2O22molL-1HNO3,;HNO3+HClO4,;5%HNO3289gcm-3,HNO3HNO3-H2SO4V2O5,,HCl,94%~99%Fe,Fe,Tessier,NH2OHHCl25%,,004molL-1NH2OHHCl25%,33,,,,NaOH,34Tomskey,30%;,,CadenverSpears,,;,,,,35,,,,,;,271:(SCEE)34逐级化学提取法分析元素形态存在的问题41(SCEE),,AlainBermondBaClO4,Tessier,,,42,JeffreyJShiwatanaRChomchoei,,,,,,AlainBermondH+,,H+,H+pH43SCEE,,Tessier5d,BCR50h(SIE),SCEE,,PerezCidCamposAlbores,(p=095),51h22minChomchoei(CFSE)(SEE),44,1000100;,;,(10-12,);10-6,,;,,(+4),()(),,,,;,5小结,SCEE,,,,2839,:[1],,,(SEE)[J],2004,32(2):7077[2]ArabindaKDas,RumaChakraborty,MLuisaCervera,etalMetalspeciationinsolidmatrices[J]Talanta,1995,42(8):10071030[3],,[J],2005,21(4):2127[4]ATessier,PGCCampbell,MBissonSequentialextractionprocedureforthespeciationofparticulatetracemetals[J]AnalyticalChemistry,1979,51(7):844851[5]QuevauvillerP,RauretG,Lopez-SanchezJF,etalCertificationoftracemetalextractablecontentsinasedimentreferencematerial(CRM601)followingathreestagesequentialextractionprocedure[J]SciTotalEnviron,1997,205:223234[6]QuevauvillerPOperationallydefinedextractionproceduresforsoilandsedimentanalysisStandardization[J]TrendsAnalChem,1998,17(5):289298[7],,,[J],1997,9(3):2325[8],,,FeMnHgZnNiCrV[J],2005,24(1):3336[9],,[J],2002,31(5):349353[10],,,[J],2003,9(4):295299[11],,,[J],2000,28(7):7173[12],,,,[J].,2004,32(2):140145[13][D]:,1997SequentialChemicalExtractionTechnologyanditsApplicationsinCoalTraceElementOccurrenceStudyWANGQing1,LIUTong1,BAIJingru1,2,JIAOGuojun1,WEIYanzhen1(1.SchoolofEnergyResourceandMechanicalEngineering,NortheastElectricalPowerUniversity,Changchun132012,China;2.ChinaUniversityofPetroleum,Beijing102249,China)Abstract:Thecurrentcommonsequentialchemicalextraction(SCEE)technologyresearchmethodsweresummarized.ThedevelopmentofSCEEtechnologyanditstypicalTessier,BCRanalysismethodwasintroduced.TheapplicationofSCEEtechnologyincoaltraceelementsoccurrenceresearchathomeandabroadwasdescribed.Inrecentyears,investigatesproblemsofSCEEtechnologyresearchinoccurrenceresearchwasdividedintotwoaspects:(1)theattributionofdifferentelementsontheoccurrencestateincoalduringthesequentialchemicalextraction;(2)problemsduringtheanalysisofthetraceelementsontheoccurrencestatewithSCEEtechnology.Keywords:coal;traceelement;occurrence;sequentialchemicalextraction291:(SCEE)