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关于含金属铁和高价锰的铁矿中氧化亚铁的分离测定方法已有介绍;本文采用相同的选择性溶剂,提出测定金属铁的新方法——亚硫酸钠法。可做为还原焙烧铁矿中金属铁和氧化亚铁的分离连续测定。经条件实验和生产实践再次证明:金属铁能定量地溶解,而氧化亚铁矿物完全不溶,其结果良好、重现性亦较满意。本法较常法简单、快速、容易掌握。
A method for the separation and determination of ferrous oxide in iron ore containing metallic iron and high-priced manganese has been introduced. In this paper, the same selective solvent was used to propose a new method for the determination of metallic iron-sodium sulfite. It can be used as the continuous determination of separation of metallic iron and ferrous oxide in reduced roasting iron ore. The experimental conditions and production practices proved once again: metal iron can be quantitatively dissolved, while the iron oxide minerals completely insoluble, the result is good, reproducibility is also more satisfactory. This law is simpler, faster and easier to grasp than common law.