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分光光度法測定微量鈧——三元顯色體系Sc(Ⅲ)-CPA-pc-Ⅰ-的研究

溫美娟,  竇盛琴

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文章導航 > 工程科學學報  > 1998 >  20(6): 594-597
溫美娟, 竇盛琴. 分光光度法測定微量鈧——三元顯色體系Sc(Ⅲ)-CPA-pc-Ⅰ-的研究[J]. 工程科學學報, 1998, 20(6): 594-597. doi: 10.13374/j.issn1001-053x.1998.06.020
引用本文: 溫美娟, 竇盛琴. 分光光度法測定微量鈧——三元顯色體系Sc(Ⅲ)-CPA-pc-Ⅰ-的研究[J]. 工程科學學報, 1998, 20(6): 594-597. doi: 10.13374/j.issn1001-053x.1998.06.020
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Wen Meijuan, Dou Shengqin. Color Developmeat Reaction in the Temary System of Sc(Ⅲ)-CPA-pc-Ⅰ- and Its Analytical Application[J]. Chinese Journal of Engineering, 1998, 20(6): 594-597. doi: 10.13374/j.issn1001-053x.1998.06.020
Citation: Wen Meijuan, Dou Shengqin. Color Developmeat Reaction in the Temary System of Sc(Ⅲ)-CPA-pc-Ⅰ- and Its Analytical Application[J]. Chinese Journal of Engineering, 1998, 20(6): 594-597. doi: 10.13374/j.issn1001-053x.1998.06.020
shu

分光光度法測定微量鈧——三元顯色體系Sc(Ⅲ)-CPA-pc-Ⅰ-的研究

doi: 10.13374/j.issn1001-053x.1998.06.020

  • 北京科技大學應用科學學院, 北京 100083

詳細信息
    作者簡介:

    溫美娟,女,53歲,副教授

  • 中圖分類號: O657.32

Color Developmeat Reaction in the Temary System of Sc(Ⅲ)-CPA-pc-Ⅰ- and Its Analytical Application

  • Applied Science School, UST Beijing, Beijing 100083, China

    摘要
  • 摘要: 系統地研究了Sc(Ⅲ)-CPA-pc-I-三元配合物顯色體系的最佳顯色條件及其主要性質,測定了共存離子的影響。鈧含量在每25ml含0~7.5μg范圍內服從比爾定律。表觀摩爾吸光系數為1.4×105l·cm-1·mol-1.采用該三元體系測定了合成試樣及攀枝花鐵礦中的微量鈧,結果與推薦值基本相符。

     

    Abstract: The optimum chromogenic conditions of the colored system that is ternary coordination compound Sc(Ⅲ)-CPA-pc-Ⅰ- and its main characters were studied systemati-cally. The influence of some foreign ions on this colored system was measured. Beer's law is obeyed over a range of 0~7.5 μg Sc/25ml. The relative molar absorpbility is 1.4×105 1·mol-1·cm-1. The system was used to determine the trace amount of scan-dium in a synthetic sample and in Pan Zhihua magnetite, the results were satisfied.

     

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  • 收稿日期:  1997-12-25
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