| 摘要 |
A method for ion flotation, especially in the extraction of gold uses as the flotation reagent a cationic surfactant of formula (I), wherein R<1> is a C10 - C18 alkyl group, R<3> is a lower alkyl group, or benzene ring optionally substituted with one or more lower alkyl groups, and R<2> and R<4> are lower alkyl groups; or R<1>, R<2> and R<4> are methyl groups; R<3> is a benzene ring substituted with a C10 - C18 alkoxy group; and X is a halogen atom. |
