potassium cyanide kitna khatarnak hai Things To Know Before You Buy
Cyanide is mainly made for your mining of silver and gold: It helps dissolve these metals letting separation from the other solids. In the cyanide approach, finely floor large-grade ore is blended with the cyanide (at a ratio of about one:five hundred elements NaCN to ore); low-grade ores are stacked into heaps and sprayed with a cyanide solution (