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化学
Effect of Reaction Conditions on the Purity of Ferrous Oxalate
In this study,ferrous oxalate was prepared from ferrous sulfate and oxalic acid by precipitation reaction.The effect of the reaction conditions,such as reaction temperature,reaction time,reaction mode,laying-aside time,drying temperature and additive agent on the purity of ferrous oxalate was investigated.The optimal reaction conditions for the purity of ferrous oxalate were obtained as follow:reaction temperature of 60℃,reaction time of 55m in,reaction mode of ultrasound,laying-aside time of 30min after titrating,drying temperature of 120℃ without additive agent.Under these optimal conditions,the purity of prepared sample was 99.66%,containing PPM-grade impurities.
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2011中国功能材料科技与产业高层论坛论文集(第一卷)
2011年
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