| 离子交换比色法测定水中微量铁 |
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| 引用本文： | 贺光楣,王祖蕊.离子交换比色法测定水中微量铁[J].安徽大学学报(自然科学版),1987(2). |
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| 作者姓名： | 贺光楣 王祖蕊 |
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| 作者单位： | 安徽大学化学系，安徽大学化学系 |
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| 摘 要： | 本文用邻菲罗林为显色剂,以40～60目国产001×7(732型)强酸性阳离子交换树脂为呈色载体,直接测量吸附在树脂上的铁(Ⅱ)——邻菲罗林有色络合物的吸光度,籍以定量检测水中ppb级的铁。
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ION-EXCHANGER COLORIMETRY MICRODETERMINATION OF IRON IN NATURAL WATER |
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| Abstract: | An ion-exchanger colorimetric method for the determination of iron in natural water has been developed.1, 10-phenanthroline, which forms a complex with iron, is used as the eolour reagent. The direct measurement of the resin phase absorbance after the sorption of coloured sample complex species, can be used for the determination of traces of iron. The recovery rate is more than 95%. The relative standard deviations is 6.2%. The method is sensitive, simple and repid. |
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