Anandakanda 1.23.157

1.23.157

gandhaṃ punaḥpunardeyamevaṃ śataguṇaṃ priye /
jīrṇe śataguṇe gandhe yantrātpiṣṭiṃ samāharet //

Sulphur should be given again and again, thus up to a hundredfold, my dear. / When the hundredfold sulphur has been consumed, one should extract the paste from the apparatus.