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  • 标题:有害物による公害の衛生化学的研究(第5報)メチル水銀定量法の改良と魚肉中の総水銀に対するメチル水銀の量比
  • 本地全文:下载
  • 作者:田中 克彦 ; 島田 武憲 ; 福井 昭三
  • 期刊名称:Journal of Health Science
  • 印刷版ISSN:1344-9702
  • 电子版ISSN:1347-5207
  • 出版年度:1972
  • 卷号:18
  • 期号:4
  • 页码:256-263
  • DOI:10.1248/jhs1956.18.256
  • 出版社:The Pharmaceutical Society of Japan
  • 摘要:A method for the determination of methylmercury has been improved by adding several steps to the ordinary process, such as the proteinase digestion of the samples and continuous extraction of the digest with benzene, and by utilizing p-nitrobenzyl chloride as an internal standard in gas chromatographic analysis. The method thus modified eliminated the emulsion formation, one of the most serious troubles in ordinary method, throughout the whole procedure. The new method revealed 93% of average recovery and less than 1.7% of deviation. The improved procedure was used to estimate the ratio of methylated mercury to total mercury in tuna fish and the results are presented.
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