Angerer Pastillen

A method of producing mercuric chloride by sublimation and desublimation from a mix of mercuric sulfate and salt was described by Johannes Kunckel (1630-1703) in his Laboratorium chymicum, published in Hamburg in 1716. The mixture was heated in a sand bath and after it cooled, corrosive sublimate was found in the upper part of the vessel. In […]