| EDTA直接法测定Ln（NO3）3—邻二氮菲—氟脲嘧啶中稀土含量的研究 |
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| 引用本文： | 陈顺方,张慧萍.EDTA直接法测定Ln（NO3）3—邻二氮菲—氟脲嘧啶中稀土含量的研究[J].云南化工,1998(3):26-27. |
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| 作者姓名： | 陈顺方 张慧萍 |
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| 作者单位： | 昭通师专化学系，云南师范大学化学系 |
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| 摘 要： | 研究了在配体邻二氮菲及氟脲嘧啶存在下，直接用ＥＤＴＡ容量法测定稀土硝酸盐—邻二氮菲—氟脲嘧啶配合物（［Ｌｎ（Ｐｈｅｎ）２（Ｆｕ（ＮＯ３）］（ＮＯ３）２）（Ｌｎ＝稀土元素）［１］，终点颜色变化敏锐，结果准确。
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| 关 键 词： | 络合滴定 稀土元素 |
Direct Determination of Rare Earth Elements in the Complex of Ln(NO 3) 3-Phen-Fu by Compleximetry |
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| Chen Shunfang,Zhong Wenyuan.Direct Determination of Rare Earth Elements in the Complex of Ln(NO 3) 3-Phen-Fu by Compleximetry[J].Yunnan Chemical Technology,1998(3):26-27. |
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| Authors: | Chen Shunfang Zhong Wenyuan |
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| Abstract: | A series of rare earth nitrateLn(NO 3)(Phen) 2(Fu)](NO 3) 2(Ln=Y,La,Ce,Nd,Sm,Gd,Ho)could be directly determined by the EDTA complexometry in the presence of ligand Phen and Fu.The end point was sharp and result was accurate. |
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| Keywords: | complexometry rare earth elements |
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