Preparation and Certification of the New Reference Materials; Plastics (Disk Form, JSAC 0621 - 0625) for Determination of Mercury Using X-Ray Fluorescent Analysis

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  • NAKANO Kazuhiko
    Department of Applied Chemistry, Graduate School of Engineering, Osaka City University PRESTO, JST The Committee for the Plastic CRMs for Hazardous Metals in The Japan Society for Analytical Chemistry
  • NAKAMURA Toshihiro
    Department of Applied Chemistry, Meiji University The Committee for the Plastic CRMs for Hazardous Metals in The Japan Society for Analytical Chemistry
  • NAKAI Izumi
    Department of Applied Chemistry, Tokyo University of Science The Committee for the Plastic CRMs for Hazardous Metals in The Japan Society for Analytical Chemistry
  • KAWASE Akira
    SII NanoTechnology Inc. The Committee for the Plastic CRMs for Hazardous Metals in The Japan Society for Analytical Chemistry
  • IMAI Makoto
    Sumika Chemical Analysis Service, Ltd. The Committee for the Plastic CRMs for Hazardous Metals in The Japan Society for Analytical Chemistry
  • HASEGAWA Mikio
    Sumika Chemical Analysis Service, Ltd. The Committee for the Plastic CRMs for Hazardous Metals in The Japan Society for Analytical Chemistry
  • ISHIBASHI Yohichi
    JFE Techno-Research Corporation The Committee for the Plastic CRMs for Hazardous Metals in The Japan Society for Analytical Chemistry
  • INAMOTO Isamu
    Nippon Steel Technoresearch Corporation The Committee for the Plastic CRMs for Hazardous Metals in The Japan Society for Analytical Chemistry
  • SUDOU Kazuhuyu
    Mitsui Chemical Analysis & Consulting Service Inc. The Committee for the Plastic CRMs for Hazardous Metals in The Japan Society for Analytical Chemistry
  • KOZAKI Masaru
    Environmental Technology Service Co. Ltd. The Committee for the Plastic CRMs for Hazardous Metals in The Japan Society for Analytical Chemistry
  • TSURUTA Akira
    Environmental Technology Service Co. Ltd. The Committee for the Plastic CRMs for Hazardous Metals in The Japan Society for Analytical Chemistry
  • ONO Akihiro
    The Committee for the Plastic CRMs for Hazardous Metals in The Japan Society for Analytical Chemistry
  • KAKITA Kazutoshi
    The Committee for the Plastic CRMs for Hazardous Metals in The Japan Society for Analytical Chemistry
  • SAKATA Mamoru
    The Committee for the Plastic CRMs for Hazardous Metals in The Japan Society for Analytical Chemistry

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The Japan Society for Analytical Chemistry has developed some new plastic certified reference materials (CRMs) for the analysis of mercury in polyester disks using XRF analysis. These CRMs (named as JSAC 0621 - 0625) were prepared by casting polyesters including a toluene solution of organometallic compounds as a standard. Concentrations of the five levels of mercury ranged from 0 to 250 mg/kg. Homogeneity tests of prepared disks had shown excellent results. Interlaboratory comparison study for the certification was performed by 15 laboratory participants. The z-scores in robust statistical method was applied for the evaluation of outliers. The certified values were assigned after discarding outliers. The uncertainties of certified values were determined as the confidence levels of 95%.

収録刊行物

  • Analytical Sciences

    Analytical Sciences 22 (9), 1265-1268, 2006

    社団法人 日本分析化学会

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