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中国无机分析化学:2011,1(3):53-54
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钼铁中钼的快速分析方法
(江阴兴澄特种钢铁有限公司,江苏 江阴214429)
Rapid Analysis of Molybdenum Element in Molybdenum-iron
(Jiangyin Xing Cheng Special Steel Works Co., Ltd., Jiangyin, Jiangsu, 214429)
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本文已被:浏览 2785次   下载 1233
投稿时间:2011-06-16    修订日期:2011-07-27
中文摘要: 在参照GB5059.1-85的基础上,以稀硝酸溶解试样,EDTA为掩蔽剂,在乙酸铵-乙酸(pH4.5)的缓冲溶液中,8-羟基喹啉与钼生成黄色沉淀,干燥称量无水羟基喹啉盐[MoO2(C9H6NO)2]。分别对沉淀时pH值、陈化时间、沉淀剂的用量进行选择。研究出了一种快速、准确、经济的分析方 法。分析精密度高、准确度好,完全能够满足生产分析要求。
中文关键词: 钼铁    快速分析  应用
Abstract:According to standard GB223.37-89, diluted nitric acid was used to dissolve the samples and EDTA was used as a masking agent. In the ammonium acetate-acetic acid (pH4.5) buffer solution, 8-hydroxyquinoline and molybdenum formed a yellow precipitate. The precipitate was dried to be anhydrous hydroxyquinoline salt [MoO2(C9H6NO)2] and its weight was measured. The optimal testing conditions including the pH value at which precipitation occurred, aging time and the amount of precipitant were selected. At last, a fast, accurate and economic analysis method was developed. This method has high precision and good accuracy and fully meets the requirements for production analysis.
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引用文本:
何美容,罗喜清,陈 君.钼铁中钼的快速分析方法[J].中国无机分析化学,2011,1(3):53-54.
HE Meirong,LUO Xiqing,CHEN Jun.Rapid Analysis of Molybdenum Element in Molybdenum-iron[J].Chinese Journal of Inorganic Analytical Chemistry,2011,1(3):53-54.

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