Anandakanda 1.5.82

1.5.82

samāṃśaṃ dviguṇaṃ grāsaṃ tataḥ sūte caturguṇam /
tathā cāṣṭaguṇaṃ devi jārayecca kalāguṇam //

An equal portion, a double morsel, then fourfold in quicksilver, / and likewise eightfold, O goddess, and one should digest sixteenfold;