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研究了硅线石和石英的可浮性及金属离子对其可浮性的影响。柠檬酸可有效地抑制石英，从而实现硅线石与石英的分离．
The floatability of sillimanite and quartz and the influence of metal ions on their floatability were studied. Citric acid can effectively inhibit the quartz, in order to achieve the separation of sillimanite and quartz.