Anandakanda 1.4.10

1.4.10

tadardhaṃ vā tadardhaṃ vā kṣiptvā bhaktyā prapūjayet /
sādhako rasarājasya tataḥ saṃskāramācaret //

Or half of that, or half of that, one should worship it with devotion. / Then the practitioner should carry out the refinement process of the king of mercury.