固体試料の原子吸光直接定量法における生物粉末試料のための検量線の新しい作成方法 固体試料のための標準添加法

書誌事項

タイトル別名
  • A new preparation method of calibration graphs for direct analysis of powdered biological samples by solid sampling atomic absorption spectrometry. Standard addition method for solid sampling technique.
  • コタイ シリョウ ノ ゲンシ キュウコウ チョクセツ テイリョウホウ ニ オケ
  • Standard addition method for solid sampling technique
  • 固体試料のための標準添加法

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抄録

A method for the preparation of calibration graphs has been one of the most important problems in solid sampling technique with atomic absorption spectrometry. In order to dissolve this problem, the standard addition method for solid sampling technique is proposed for the direct determination of nickel, cobalt, copper and manganese at the ppm levels in powdered biological samples by atomic absorption spectrometry. Accurate analytical results have been obtained by using a miniature cup with solid sampling. This method is also applied to those at the sub-ppm levels in some powdered biological samples, which should be concentrated by a pre-ashing method with a conventional electrothermal Muffle furnace. For these pre-ashed powdered samples it was also difficult to prepare the calibration graphs. However it becomes possible to obtain good analytical results when the calibration graphs are prepared by the proposed standard addition method for solid sampling technique.

収録刊行物

  • 分析化学

    分析化学 42 (3), 167-172, 1993

    公益社団法人 日本分析化学会

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