| STUDY ON DETERMINATION OF TRACE Fe BY Fe（Ⅱ）-VA THIN LAYER RESIN PHASE SPECTROPHOTOMETRY |
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| 作者单位： | [1]School of Civil Engineering and Mechanics Huazhong University of Science and Technology, Wuhan 430074, China [2]Highway Administration Bureau of Henan Pingdingshan, Pingdingshan 467000, China [3]School of Chemistry ＆ Chemical Engineering, Jiangsu University, Zhenjiang 212013, China |
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| 摘 要： |
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| 关 键 词： | 仪器分析 薄层树脂 阴离子 分光光度法 |
STUDY ON DETERMINATION OF TRACE Fe BY Fe(Ⅱ)-VA THIN LAYER RESIN PHASE SPECTROPHOTOMETRY |
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| Authors: | SONG Huanyu YAN Yongsheng WANG Yun |
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| Abstract: | A new method for the determination of Fe by thin layer resin phase spectrophotometry in alkali condition was reported. The complex anion formed by Fe(Ⅱ) and VA was absorbed on the 717#resin and Fe was determined by making thin layer. This method had a high sensitivity (ε620=3.0×105 L/mol·cm), which was 15 times higher than that of liquid phase spectrophotometry. It had been proved a satisfactory precision (5.0μg Fe, n=6, RSD=1.8%). The trace Fe in natural water was determined and the recovery was 97%. |
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| Keywords: | Thin layer resin phase spectrophotometry Trace Fe |
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