| 催化褪色光度法测定粮食和蔬菜中的痕量铁 |
| |
| 引用本文： | 韩虹.催化褪色光度法测定粮食和蔬菜中的痕量铁[J].新乡学院学报(自然科学版),2011(4):324-326. |
| |
| 作者姓名： | 韩虹 |
| |
| 作者单位： | 新乡学院化学与化工学院 |
| |
| 摘 要： | 研究了在硫酸介质中铁催化过氧化氢氧化乙基紫褪色反应的最佳条件，给出了高灵敏测定痕量铁的新方法。线性范围为O～0．8μg／25mL；检出限为4．0×10^-10g／mL。该方法所用仪器设备简单，检测简便、快速。用于测定粮食和蔬菜中的痕量铁，结果令人满意.
|
| 关 键 词： | 催化褪色光度法 过氧化氢 乙基紫 铁 |
Determination of Trace Iron by Catalytic Decoloring Spectrophotometry in Grain and Vegetables |
| |
| Authors: | HAN Hong |
| |
| Institution: | HAN Hong(College of Chemistry and Chemical Engineering,Xinxiang University,Xinxiang 453003,China) |
| |
| Abstract: | A high sensitivity catalytic decoloring spectrophotometry method for the determination of trace iron has been studied. The best condition of the Iron catalyzes the decolorization reaction of hydrogen peroxide and ethyl violet in the Sulfuric acid medium is established. The linear range of the determination is 0 - 0.8 μg/25 mL and the detection limit for iron is 4×10^-10 g/mL. This method is simple, convenient and fast testing which can be applied in grain and vegetables. The results are satisfying. |
| |
| Keywords: | Catalytic Decoloring Spectrophotometry Hydrogen peroxide Ethyl Violet Iron |
| 本文献已被 CNKI 维普 等数据库收录！ |
