Anandakanda 2.1.40

2.1.40

<dvitīyaḥ prakāraḥ>
yadvā bhāṇḍodare kṣiptvā gandhakaṃ pūrvaśodhitam /
pidhāya tāmrapātreṇa tasmiñśītodakaṃ kṣipet //

<Second method> / Or, having placed the previously purified sulphur inside a pot, / and covered it with a copper vessel, one should pour cold water into that [copper vessel].