光谱学与光谱分析 |
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Determination of Total Iron and Fe2+ in Basalt |
LIU Jian-xun1, 2, CHEN Mei-rong1, JIAN Zheng-guo1, WU Gang2, WU Zhi-shen1* |
1. International Institute for Urban Systems Engineering of Southeast University, Nanjing 210019, China 2. Basalt Fiber Production and Application Technology Local Joint National Engineering Research Center, Nanjing 210096, China |
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Abstract Basalt is the raw material of basalt fiber. The content of FeO and Fe2O3 has a great impact on the properties of basalt fibers. ICP-OES and dichromate method were used to test total Fe and Fe2+ in basalt. Suitable instrument parameters and analysis lines of Fe were chosen for ICP-OES. The relative standard deviation (RSD) of ICP-OES is 2.2%, and the recovery is in the range of 98%~101%. The method shows simple, rapid and highly accurate for determination of total Fe and Fe2+ in basalt. The RSD of ICP-OES and dichromate method is 0.42% and 1.4%, respectively.
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Received: 2013-12-16
Accepted: 2014-05-20
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Corresponding Authors:
WU Zhi-shen
E-mail: zswu@mx.ibaraki.ac.jp
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