A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v1.c12.t3.26

v1.c12.t3.26

(2) Most likely a sulpharsenite of potash is formed. The process in Rasendrasārasamgraha is more scientific. “Tālaka is to be cut into small pieces and rubbed with lime water and the alkaline water derived from the ash of *achyranthes aspera* and is then to be enclosed in carbonate of potash and roasted.”