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Volume 18 Issue 1
Oct.  2021
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Article Contents
Wen Meijuan, Zhu Lin. Highly Sensitive Colour System of Selenium (Ⅳ)-Potassium Iodide-Malachite Green and Its Analytical Application[J]. Chinese Journal of Engineering, 1996, 18(1): 88-91. doi: 10.13374/j.issn1001-053x.1996.01.020
Citation: Wen Meijuan, Zhu Lin. Highly Sensitive Colour System of Selenium (Ⅳ)-Potassium Iodide-Malachite Green and Its Analytical Application[J]. Chinese Journal of Engineering, 1996, 18(1): 88-91. doi: 10.13374/j.issn1001-053x.1996.01.020

Highly Sensitive Colour System of Selenium (Ⅳ)-Potassium Iodide-Malachite Green and Its Analytical Application

doi: 10.13374/j.issn1001-053x.1996.01.020
  • Received Date: 1995-05-10
    Available Online: 2021-10-29
  • The highly sensitive colour system of Selenium (Ⅳ)-Potassium iodide-Malachite green was studied. The optimum conditions of this system using spectrophotometry were determined, and the reaction mechanism was discussed. It is feasible to use this method at room temperature. Both of the sensetivity and reproducibility are satisfactory. The molar absorptivity is 1.2 × 105 1 · mol-1· cm-1.Beer's law is obeyed in the range of 0~0.32μg/ml. It has been successfully used in determinining the trace selenium presented in water.

     

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