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地球学报  2007 

多接收器等离子体质谱(MC-ICPMS)高精度测定Nd同位素方法

DOI: 10.3975/cagsb.2007.04.12

Keywords: 多接收器等离子体质谱,Nd,同位素比值,分馏校正

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Abstract:

多接收器等离子体质谱是近年发展起来的高精度同位素分析手段之一,通过用等离子体质谱测量Nd国际标准材料LaJolla和JMCNd203以及实际样品GBW04419,研究MC-ICPMS测量Nd的质量分馏特点,解决MC-ICPMS测量的关键所在质量分馏校正.通过修正分馏系数,可以实现理想的分馏校正.结果显示出所得到的分析精度达到热电离质谱的测量水平.具有实际地质样品代表性的实验室内部标准CAGS-Nd-1重现性长期分析结果为:143Nd/144Nd=0.512072±0.000008(2σ,n=140).

References

[1]  Russell WA;Papanastassiou DA;Tombrello TA,Ca isotope fractionation on the earth and other solar system materials,Geochimica et Cosmochimica Acta? ,1978, 42.
[2]  Hirata T,Lead isotopic analysis of NIST standard reference materials using multiple-collector inductively coupled plasma mass spectrometry coupled with modified external correction method for mass discrimination effect,Analyst,1996.
[3]  Tang Suohan;He Xuexian;Wang Jinhui;Zhu Xiangkun,Nd isotopic measurements of reference materiaks using Multi-Collector Inductively Coupled Plasma Mass Spectrometry,Mass Spectrometer Acat,2005.
[4]  Tanaka T;Togashi S;Kamioka H,JNdi-1:A Neodymium Isotopic Reference in Consistency with La Jolla Neodymium,Chemical Geology,2000.
[5]  Alex N. Halliday ;Der-Chuen Lee ;John N. Christensen ;Mark Rehkamper ;Wen Yi ;Xiaozhong Luo ;Chris M. Hall ;Chris J. Ballentine ;Thomas Pettke ;Claudine Stirling,Applications of multiple collector-ICPMS to cosmochemistry, geochemistry, and paleoceanography,Geochimica et Cosmochimica Acta?,1998, 62(6).
[6]  Galindo C;Tornos F;Darbyshire D P F,The age and origin of the barite-fluorite (Pb-Zn) veins of the Sieerradel Guadarrama (Spanish Cebtrak System,Spain):aradiogenic (Nd,Sr) and stable isotope study,Chemical Geology,1994.
[7]  Belshaw N S;Freedman P A;O\'Nions R K;Frank M Guo Y A new variable dispersion double-focusing plasma mass spectrometer with performance illustrated for Pb isotopes [J] 1998
[8]  张宗清;叶笑江;唐索寒,钐-钕地质年龄标准物质的研制,地学研究,1995.
[9]  叶笑江;张宗清,Nd比值测定中的Sm、Nd分离-HDEHP分离法,分析测试学报,1990(03).
[10]  唐索寒;何学贤;王进辉;朱祥坤.多接收等离子体质谱法测定Nd同位素标准物质[J].质谱学报,2005(z1)
[11]  濮巍;赵葵东;凌洪飞;蒋少涌.新一代高精度高灵敏度的表面热电离质谱仪(Triton TI)的Nd同位素测定[J].地球学报,2004(02)
[12]  Zhang Z Q;Ye X J;Tang S H,Reference Materials for Sm-Nd-Dating,Geoscience Research,1995.
[13]  Zhu X K;Guo Y;Williams R J P Mass fractionation processes of transition metal isotopes [J] 2002
[14]  Zhu XK. ;Guo Y. ;Belshaw NS. ;Rickard D. ;O\'Nions RK.,Determination of natural Cu-isotope variation by plasma-source mass spectrometry: implications for use as geochemical tracers,Chemical geology?,2000, 163(1-4).
[15]  Ye X J;Zhang Z Q,Separation Method of Sm-Nd Using HDEHP,Analyst Acta,1990(03).
[16]  Wasserburg G J;Jacobsen S B;DePaolo D J,Precise determination of Sm/Nd ratios,Sm and Nd isotopic abundances in standard solutions,Geochimica Et Cosmochimica Acta? ,1981, 45.
[17]  Robinson L F;Henderson G M;Slowey N C;Schwieters J B,UTh dating of marine isotope stage 7 in Bahamas slope sediments,Earth and Planetary Science Letters,2002.
[18]  Pu Wei;Zao Kuidong;Ling Hongfei;Jiang Shaoyong.High Precision Nd Isotope Measurement by Triton TI Mass Spectrometry[J].Acta Geoscientia Sinica,2004(02)
[19]  Palacz Z,Ulta-high Precision Neodymium Isotope Ratio Measurements Using the Micromass Isoprobe,the Single Focusing Inductively Coupled Plasma Source Mass Spectrometer (ICP-MS),EUG,2001.
[20]  O\'Nions R K;Hamilton P J;Evensen N M,Variations in 143Nd/144Nd and 87Sr/86Sr Ratios in Oceanic Basalts,Earth and Planetary Science Letters,1977.
[21]  Chloe Nadia Marechal ;Philippe Telouk ;Francis Albarede,Precise analysis of copper and zinc isotopic compositions by plasma-source mass spectrometry,Chemical geology?,1999, 156(1-4).
[22]  Lugmair G W;Carlson R W,The Sm-Nd history of KREEP,1978.
[23]  Luais B;Telouk P;Albarede F,Precise and accurate Nd isotopic measurements by plasma source mass spectrometry,Geochimica et Cosmochimica Acta,1997.
[24]  Liang X R;Wei G J;Li X H;Liu Y.Rapid and Precise Measurement for Nd/Nd Isotopic Ratios Using a Multi-Collector Inductively Coupled Plasma Mass Spectrometer[J].Rock and Mineral analysis,2002(04)
[25]  梁细荣;韦刚健;李献华;刘颖.多收集器等离子体质谱快速精确测定钕同位素比值[J].岩矿测试,2002(04)

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