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利用分析化学中掩蔽滴定金属离子的原理,提出了掩蔽抑制石英的设想,并初步研究了Cu(Ⅱ)+硫脲作为掩蔽抑制剂对氧化锑矿物及石英可浮性的影响。研究表明,介质pH=4时Cu(Ⅱ)+硫脲对石英有一定的选择性抑制作用。
Based on the principle of masking titration of metal ions in analytical chemistry, the idea of masking quartz suppression was proposed and the influence of Cu (Ⅱ) + thiourea as masking inhibitor on the floatability of antimony oxide minerals and quartz was also studied. The results show that Cu (Ⅱ) + thiourea has a certain selective inhibitory effect on quartz at pH = 4.