| 铁—铬系中变催化剂中铈的测定 |
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| 引用本文： | 乌兰,云文安.铁—铬系中变催化剂中铈的测定[J].内蒙古大学学报(自然科学版),1992,23(2):213-215. |
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| 作者姓名： | 乌兰 云文安 |
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| 作者单位： | 内蒙古大学化学系，内蒙产品检验所 |
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| 摘 要： | 本文试验了一个Fe—Cr系中温变换催化剂中铈的测定方法.铈与稀土显色剂三溴偶氯胂在强酸性介质中形成蓝色络合物进行比色测定.方法简便,选择性好,灵敏度高(摩尔吸光度系数为c=1.21×10~6).
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| 关 键 词： | 铈 三溴偶氮胂 比色法 |
The Determination of Cerium in Catalyst for Medium Temperature Conversion in Iron-Chromium System |
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| Wu Lan.The Determination of Cerium in Catalyst for Medium Temperature Conversion in Iron-Chromium System[J].Acta Scientiarum Naturalium Universitatis Neimongol,1992,23(2):213-215. |
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| Authors: | Wu Lan |
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| Institution: | Wu Lan Department of Chemistry Yun Wenan Product Quality Supervision and Inspection Institute of Nei Mongol |
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| Abstract: | In the paper,a colorimetric method for determine Ce in catalyst of Fe-Cr system has been tested,in which Tribromoarsenazo is used as color reagent.The method is simple,selective and sensitive. |
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| Keywords: | Cerium Tribromoarsenazo colorimetry |
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