History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c15.109

c15.109

"Then take eight palas each of burnt limestone, conch-shells and bivalve shells, and heat them in an iron pan till they are of the colour of fire. Then moisten them in the same vessel with the above-mentioned three quarters of a seer of alkaline water and reduce them to powder. This powder should be thrown on sixty-four seers of the alkaline water and boiled with constant and careful agitation by the ladle. Care should be taken that the solution is neither too thick nor thin.