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1、378中国科学技术大学学报 Vol.37 ,No .82 0 0 7M8JOURNAL OF UNIVERSITY OF SCIENCEAND TECHNOLOGY OF CHINA Aug .2 0 0 7cI|:0253-2778(2007)08-0940-0508E35侯振辉,王晨香(SS/vobWS,SSTLi,g230026)K1:电感耦合等离子体质谱广泛应用于地质样品中的多种微量元素分析.采用封闭压力酸溶法溶解地质样品,以Rh单元素标准溶液作为内标和基体匹配混标溶液作为标准进行样品测定,对国际标准样品监控样35种常用微量元素长期测定结果表明,绝大多数元素测定值与参考值的相对误差小于
2、10%,其中大多数微量元素优于5%.1oM:电感耦合等离子体质谱;地质样品;微量元素分析ms|:P595DSM:ADetermination of 35 trace elements in geological samplesby inductively coupled plasma mass spectrometryHOU Zhen-hui, WANG Chen-xiang(CAS K ey Laboratory of Crust-Mantle Materials and Environments , School of Earth and Space Sciences , US TC ,
3、Hefei 230026, China)Abstract:Trace elements in geological samples were extensively determined by inductively coupled plasma-mass spectrometry (ICP-MS).35 trace elements in USGS reference material samples were analyzed bypressurized acid digestion with Rh single-elemental solution as internal standar
4、d and matrix-matchingmixed solutions as an external standard calibration solution for long time .The results suggest that relativedifferences between this study and reference values in concentration of trace elements are less than 10%,and most of them less than 5%.Key words:ICP-MS ;geological sample
5、s;trace elements analysis0+U6V1S,cA1-4.08(inductively coupledplasma-mass spectrometry , ICP-MS)sBys/,1W80MX?Z?s/1 10 ,s/M1!e、sy、2VVvs+.SS/vobWS2005MElan DRCIIICP-MS ,NSPerkinElmerQ(eDRC)ICP-MS,d2,(24 Mg)9v10 106 cps/l:2007-05-05;:2007-06-10:SE1S(40403002, 40373009, 40572035)SS/v211n.Te:(YT),3, 1976M
6、3,pV/=.Z_:o.E-mail:zhenhui (mg L-1),(115 In, 238 U)9v30106 cps/(mg L-1),ST/1g/LSA4 h3%.Ny35sZE.1Ls1.1k4!Vk4grMOS)k4mE 3,6,8 11 ,LvvdSELiPL.|50 mgbTeflon,FiHNO3 、HF1.5mL2 3HClO4 ,F210 15s,140 A,FiHNO3HF1.50 mL,F#*,bQ190 48lH;|,F3 mL HNO3A,F4 mL 50%HNO3 ,F#*,150 Q12 h ,4|;|,|AMPetD,FRh=SAd80.00 g ,k.k
7、Hn51NkHqKD,SbASAEnwL,W10AkBQSe(S=SISA).1.2SALSEi.FSITSAHIW|$?,yNLSA8SA1,5 .35=SSAsY1SPEXAlfa AesarBSA,Be、Bi、Co 、In、Pb、Rh、Sc、Tb、Tl、Th、UYSA#rSASPEXBA,Ba、Cr 、Cs、Cu、Ga 、Nb、Ni、Rb、Sc、Sr、Ta 、VZnSAAlfa AesarBA.8Sivcd94,nV1.1.3NTLTElan DRCIIICP-MSNV18SA(g/L)Tab.1Matrix-matching mixed standardsolutions(g/L)S1
8、S2S3S4Be U Hf Ta 2 0.2 0.1 0.04V Cr Sr 1 000 100 50 20Co 10 1 0.5 0.2Ba 2 000 200 100 40Ni Zr Rb 400 40 20 8Cu Zn 200 20 10 4Ga Nb Cs Pb 5 0.5 0.25 0.1Sc Th YLa Ce Pr Nd Sm Eu Gd Tb DyHo Er Tm Yb Lu100 10 5 2,、_NsOq!N2vY,yN5 g/L9Be、59 Co 、115In 、159 Tb、209 Bi(2%HNO3)AdKD,S=n.NTnV2.V2ElanDRCII ICP-MS
9、TTab.2Instrumental parameters of Elan DRCII0.92 L/min1.2 L/min15.0 L/minICP-MSs10i7RFq1 150 WZTKQ5=N0qCeO +/Ce +Ba+/Ba+E, RhSAT=S,8cSATSiFe35,y、+,as.实验测试过程中得到了袁洪林教授和何永胜的帮助,匿名审稿人的评审意见对本文的修改有很大帮助,在此一并表示衷心感谢!943第8期 电感耦合等离子体质谱法测定地质样品中35种微量元素ID(References) 1 LIU Ying , LIU Hai-chen, LI Xian-hua.Simultaneousand precise determination of 40 trace elements in rocksamples using ICP-M S J .Geochimica, 1996, 25(6):552-558.,Z,D.ICP-MSF40 J .o, 1996, 25(6):552-558. 2 Wolf R E,
