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本文叙述一些染料,例如羊毛铬蓝黑B、羊毛铭黑T、二苯胺磷酸钡、萤光素酸、溴酚蓝、藏红T、结晶紫和亚甲蓝,在硫酸铜使用与否时均匀能够浮选方铅矿和闪锌矿,其中一些染料或许能用于从复杂矿石中选择性分离硫化矿物,因为添加硫酸铜,改善闪锌矿的浮游,抑制方铅矿。硫化矿物乙基黄原酸钾系统不具有上述优点。在氧化条件下,利用萤光素酸可以浮选黄铁矿。
This article describes some dyes, such as chrome blue black B, wool black T, diphenylamine barium phosphate, luciferin acid, bromophenol blue, saffron T, crystal violet and methylene blue, even when used with or without copper sulfate Galena and sphalerite can be flotated and some of these dyes may be used to selectively separate sulphide minerals from complex ores because of the addition of copper sulphate to improve the planktonicity of sphalerite and to inhibit galena. The sulphide mineral potassium ethylxanthate system does not have the above advantages. Pyrite can be used to flotate pyrite under oxidative conditions.