THIS IS A CHEMICAL REAGENT THAT CAN BE USED IN THE FLOTATION PROCESS
| COLLECTORS | FUNCTION |
| Xanth (ogen ) ates | Sulfide Flotation |
| Dithiophosphates | Sulfide Flotation |
| Carboxylates ( Fatty acids ) | Carbonate / Oxide / Sulfide Flotation |
| Dithiophosphates | Sulfide Flotation |
| Alkyl ammonium salts | Silicate / Oxide Flotation |
| FROTHER | FUNCTION |
| Aliphatic alcohol ( Methyl isobutyl carbinol ) | Frother |
| Cyclic alcohol ( Pine oil, Eucalyptus oil ) | Frother, Collector |
| Aromatic alcohol (Cresols, Xylenol ) | Frother |
| REGULATOR ( Modifiers ) | FUNCTION |
| Lime (Dalkeith) | Sulfide pH - Depressor phyrite |
| Sodium hydroxide | pH-Disperses gangue |
| Sulfuric acid | pH |
| Copper Sulfide | Sphalerite Activation |
| Sodium Sulfide | Activation /Oxidation |
| Cyanide | Depressor Sulfide |
| Chromate | Depressor Galena |
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