Flameless atomic fluorescence spectrometry of mercury by dispersive and nondispersive systems in combination with cold-vapor technique.

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概要

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• An atomic fluorescence spectrometer with dispersive and nondispersive systems has been designed and constructed. A flameless atomic fluorescence spectrometric method with the newly constructed spectrometer is described for the determination of mercury at the nanogram level. Mercury is reduced by tin(II) chloride and released from solution by a stream of argon into a quartz fluorescence cell. The fluorescence signal is measured by dispersive and nondispersive systems. Linear analytical working curves covering the mass range of mercury from the detection limits to approximately 10 and 1 μg have been established with dispersive and nondispersive systems, respectively. With the nondispersive system a detection limit of 0.003 ppb or 0.05 ng of mercury could readily be obtained. The present method was satisfactorily applied to the determination of mercury in wastewater samples.

• 公益社団法人 日本化学会の論文

著者

• Tanaka Toshiaki

  Department Of Applied Chemistry Tokyo Institute Of Technology

• Nakahara Taketoshi

  Department Of Applied Chemistry College Of Engineering And Department Of Advanced Materials Science

• Musha Soichiro

  Department of Applied Chemistry, College of Engineering, University of Osaka Prefecture

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