Rasamanjari 6.179

6.179

pañcānāṃ lavaṇānāṃ ca bhāgamekaṃ vimardayet /
vajrakṣīrair dinaikaṃ tu ruddhvā taṃ bhūdhare puṭet //

and one part of the five salts: one should triturate them together / with the milk of vajrī for one day; then, enclosing it, incinerate it in a pit filled with cow dung.