Determination of Minor and Trace Elements in Urine Reference Sample by a Combined System of Inductively Coupled Plasma Mass Spectrometry and Inductively Coupled Plasma Atomic Emission Spectrometry.

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  • FUJIMORI Eiji
    Department of Applied Chemistry, School of Engineering, Nagoya University
  • SAWATARI Hideyuki
    Department of Applied Chemistry, School of Engineering, Nagoya University
  • CHIBA Koichi
    Department of Applied Chemistry, School of Engineering, Nagoya University
  • HARAGUCHI Hiroki
    Department of Applied Chemistry, School of Engineering, Nagoya University

抄録

Simultaneous multielement determination of minor and trace elements in the urine reference sample by an ICP-MS/AES combined system is described. The biological reference sample of NIST SRM 2670 Freeze-dried Human Urine (elevated) was used for analysis. The sample preparation was kept to a minimum: the urine sample was diluted 25-fold with 0.1M nitric acid, in which Ge, In and Tl were added as the internal standard elements. Eighteen elements at theμg/ ml-ng/ml levels were simultaneously determined by the present combined system. In addition, the present combined system was also applied to the correction of polyatomic interference in the determination of chromium in SRM 2670, where interference with 52Cr due to 40Ar12C was corrected by estimating the correction factor of 40Ar12C from correlation between the ion count of 40Ar12C and the emission intensity of carbon in the sample.

収録刊行物

  • Analytical Sciences

    Analytical Sciences 12 (3), 465-470, 1996

    社団法人 日本分析化学会

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