... lead mine etc. Potassium Amyl XanthatePotassium Amyl Xanthate is mainly used as collectors in mineral processing of copper, gold, silver, ... amyl xanthate is a most powerful chemical reagents used as collector of Xanthate,widely used in the flotation treatment of sulfide ores ... from wet, fire and sunshine. To avoid decomposing, don’t be used in acid circumstance. When opening the bag, keep away from ...