硝酸铁中铁含量测定方法的对比与探究

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英文篇名：Comparison and Research on the Method of Iron Content Determination in Ferric Nitrate 作者：严泽华 ; 徐浩 ; 李正松 ; 陈文豪 英文作者：Yan Zehua;Xu Hao;Li Zhengsong;Chen Wenhao;Research and Development Center, Foshan Dynanonic Co.,Ltd.; 关键词：硝酸铁纯度 ; 检测方法 ; 优缺点 英文关键词：Purity of ferric nitrate;;Detection methods;;Advantages and disadvantages 中文刊名：GDHG 英文刊名：Guangdong Chemical Industry 机构：佛山市德方纳米科技有限公司研发中心; 出版日期：2019-02-28 出版单位：广东化工 年：2019 期：v.46;No.390 语种：中文; 页：GDHG201904081 页数：2 CN：04 ISSN：44-1238/TQ 分类号：172-173

摘要

通过实验对EDTA配位滴定法与碘量法在测定硝酸铁中Fe3+含量的适用性进行对比。两种方法在实验中均获得较高的回收率,碘量法终点明确但干扰因素较多,精密度较EDTA滴定法稍差;EDTA滴定法的结果更为稳定与准确,但终点显色不明显,对实验人员的要求较高。
        Compare the applicability of EDTA Complexometry and Iodimetry to mensurating ferri ion content in ferric nitrate with experiments. Both methods have good recovery in the experiment. Iodimetry have a clear titration end point but of lower precision than EDTA Complexometry because of many interference factors; EDTA Complexometry have a more stable and accurate experimental result but its discoloration phenomenon is so unobvious that have a higher requirement for laboratory personnel.

引文

[1]谢玉艳.配位反滴定法测定高纯度九水合硝酸铁纯度[J].1000-7571(2016)02-0049-04.
    [2]江波.碘量法测定EDTA铁碘盐的铁含量[J]. 1001-0335(2007)01-0045-04.
    [3]赵树宝.碘量法快速测定铁矿石中的铜和铁[J]. 1009-8143(2008)04-0044-04.