Anandakanda 1.2.40

1.2.40

<rasasandhyā>
atha sandhyāṃ pravakṣyāmi rasakarmaphalapradām /
praviśedrasaśālāṃ ca snātaḥ śuddho'nulepitaḥ //

<The Twilight Rite for Mercury>
Now I shall proclaim the twilight rite that yields the fruits of alchemical operations:
Bathed, purified, and anointed, one should enter the mercury laboratory;