Anandakanda 1.23.29

1.23.29

śuddhaḥ syātpārado devi yojyo yoge rasāyane /
<ṣaṣṭhaḥ prakāraḥ>
daśamāṃśaṃ rasādgandhaṃ taptakhalve vinikṣipet //

Mercury becomes purified, O goddess, and suitable to be employed in formulations and in rejuvenation therapy. / <Sixth method> / One should place sulphur, one-tenth part of the mercury, into a heated mortar.