| 偶氮氯膦-mk测定高铬铸铁中铈组稀土 |
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| 引用本文： | 陈鸿玲,王秀玲,陈雅丽.偶氮氯膦-mk测定高铬铸铁中铈组稀土[J].福州大学学报(自然科学版),1999,27(1):87-89. |
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| 作者姓名： | 陈鸿玲 王秀玲 陈雅丽 |
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| 作者单位： | 福州大学机械工程系,福州,350002 |
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| 摘 要： | 应用偶氮氯膦－ｍｋ为显色剂，在ＨＣｌＯ４介质中，以Ｈ３ＰＯ４－Ｈ２Ｃ２Ｏ４作掩蔽剂，直接测定高铬铸铁中铈组稀土．结果表明，方法适用于高铬铸铁、球墨铸铁和低合金钢中铈组稀土元素的测定．
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| 关 键 词： | 偶氮氯膦－mk 高铬铸铁 稀土 吸光光度法 |
A Study of Determining the Content of Mixed Rare-Earth Rich in Cerium in High-Chrome Cast Iron by CPA-mk |
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| Chen Hongling,Wang Xiuling,Chen Yali.A Study of Determining the Content of Mixed Rare-Earth Rich in Cerium in High-Chrome Cast Iron by CPA-mk[J].Journal of Fuzhou University(Natural Science Edition),1999,27(1):87-89. |
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| Authors: | Chen Hongling Wang Xiuling Chen Yali |
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| Institution: | Chen Hongling Wang Xiuling Chen Yali (Department of Mechanical Engineering, Fuzhou University, Fuzhou, 350002) |
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| Abstract: | In this paper, the reagents, devices and experimental methods used in determining the content of mixed rare-earth rich in cerium in high-chrome cast iron by means of CPA-mk were recommended. The results showed that this method was fit for measurement of the content of mixed rare earth rich in cerium in high-chrome cast iron, noduler cast iron and low-alloy steel. |
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| Keywords: | CPA-mk high-chrome cast iron rare-earth absorptiometry |
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