镥的激光共振电离质谱同位素分析技术
노적격광공진전리질보동위소분석기술
Technique of Lutetium Isotopic Analysis by Laser Resonance Ionization Mass Spectrometry
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    质谱学报 질보학보

    2005年 z1期 45-46 ,共2页

    李志明%朱凤蓉%张子斌%邓虎%翟利华%王长海%任向军%万可友%张利兴

    리지명%주봉용%장자빈%산호%적리화%왕장해%임향군%만가우%장리흥



    laser resonance ionization mass spectrometry (LRIMS)%lutetium%isotope ratio


    Technique of lutetium isotopic analysis by laser resonance ionization mass spectrometry(LRIMS) was developed in the presence of isobaric interference. In the case of real sample, the elemental selectivity was better than 8×105, and the detection efficiency was 8.3×10-5. The technique of wavelength scanning method was set up in order that the accurate isotopic ratio could be determined. And the numerical computational method was provided to calculate the correct factor of isotopic ratio. Using this technique, the isotopic ratio measured by LRIMS is in good agreement with standard value measured by TIMS.
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