Analysis of Bis(tributyltin) Oxide in Industrial Products by Mass Spectrometry with Direct Sample Injection

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  • KATAOKA Toshiyuki
    Chemicals Evaluation and Research Institute, Japan, Environmental Technology Department Yokohama National University, Graduate School of Environment and Information Sciences, Department of Risk Management and Environmental Sciences
  • MASUNAGA Shigeki
    Yokohama National University, Faculty of Environment and Information Sciences

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Other Title
  • 直接試料導入質量分析法による工業製品中ビス（トリブチルスズ）オキシドの分析
  • チョクセツ シリョウ ドウニュウ シツリョウ ブンセキホウ ニ ヨル コウギョウ セイヒン チュウ ビス(トリブチルスズ)オキシド ノ ブンセキ

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Abstract

The manufacture, import, and use of bis(tributyltin) oxide (TBTO), which is a Class I Specified Chemical Substance under the "Law Concerning the Examination and Regulation of Manufacture, etc. of Chemical Substances," are prohibited in Japan. TBTO could not be analyzed by the methods used for detecting tributyltin (TBT) derivatives because TBTO could not be separated from other TBT compounds, such as TBT laurate, which is a Class II Specified Chemical Substance. Therefore, government agencies cannot regulate products containing TBTO sold on the market. We investigated a mass-spectrometry method for the detection of TBTO by direct sample injection using chemical ionization with isobutane as the reactant gas. Using bis(tributyltin) sulfide as an internal standard, quantitative analysis became more stable. The results of analysis of the resin hardeners by the method developed in this study suggested that TBTO was easily generated by the reaction of dibutyltin dimethoxide with water.

Journal

  • BUNSEKI KAGAKU

    BUNSEKI KAGAKU 62 (11), 965-970, 2013

    The Japan Society for Analytical Chemistry

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