Anandakanda 1.4.328

1.4.328

tattāre tālakaṃ devi dvātriṃśadguṇamāvahet /
vaṅgabījamidaṃ jñeyametatsūte tu jārayet //

and into that silver, O goddess, one should introduce yellow orpiment thirty-two-fold. / This is to be known as tin-seed; one should digest this into quicksilver.