[Чучмек]

Великим химиком.
В аннотации же ясно сказано:USAGE: : : : Dithiophosphate BA is an effective collector for silver,copper,lead and activated zinc sulfide minerals,and is used in the flotation of iron sulfide activated.It is also useful in the flotation of nickel and antimony sulfide minerals and is especially useful in the flotation of nickel sulfide mineral with low flotation,property mixture of sulfide oxide nickel ores and middling ores of sulfide with gangue.Some investigators have found that dithiophosphate BA is helpful in recovery of platinum,gold and silver.The reagent has exhibited weak frothing property.

Ну, отвертелся. Зачот.