Properties: black-brown oily liquid, irritating odor and corrosiveness; Flammable, slightly soluble in water.
Main uses: No. 25 black medicine has both harvesting and foaming, it is an effective collector of lead, copper, silver sulfide ore and activated zinc sulfide ore, often used in lead, zinc priority flotation separation operations. This product has a weak recovery force against pyrite and other sulfide ores in alkaline circuits, but it is a powerful non-selective collector for all sulfide ores in neutral or acidic media. Under specific conditions, it also has a certain harvesting effect on heavy metal oxide ore. Since the product is only slightly soluble in water, it must be added to the adjustment tank or ball mill in its original form.