Analyses the influence of associated mineral on magnetic-breeze quality in magnetite,makes a suggestion on improving test methods of magnetic substance content in magnetic-breeze.

• 分析了磁铁矿中共生矿物对磁铁矿粉质量的影响,对磁铁矿粉磁性物含量的测试方法提出了一些尝试性改进。