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DETEMINATION OF TUNGSTEN AND MOLYBDENUM IN SEAWATER

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【作者】 杨孙楷； 陈立义；

【Author】 YANG SUNKAI CHEN LIYI(Department of Chemistry, Xiamen University, Xiamen)

【机构】 Department of Chemistry； Xiamen University； Xiamen； Xiamen；

【摘要】 <正> Tungsten and molybdenum in seawater can be sensitively and accurately determined by the polaro-graphic catalytic wave. In a supporting electrolyte containing HCl-benzilic acid-Nad, tungsten has a clear and stable catalytic wave. Then, the peak current of molybdenum increases as KClO3 is added into the above medium. The sensitivity of the proposed method is 5×10-2 M for W and 6×10-10 M for Mo, respectively.This method is an extremely quick, sensitive one and is suitable for the analysis of various kinds of water.

【Abstract】 Tungsten and molybdenum in seawater can be sensitively and accurately determined by the polaro-graphic catalytic wave. In a supporting electrolyte containing HCl-benzilic acid-Nad, tungsten has a clear and stable catalytic wave. Then, the peak current of molybdenum increases as KClO3 is added into the above medium. The sensitivity of the proposed method is 5×10-2 M for W and 6×10-10 M for Mo, respectively.This method is an extremely quick, sensitive one and is suitable for the analysis of various kinds of water.

【关键词】 tungsten； electrolyte； molybdenum； seawater； extremely； hydroxide； adding； diluted； supporting； quick；
  • 【文献出处】 Acta Oceanologica Sinica ,海洋学报(英文版) , 编辑部邮箱 ,1985年03期
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