Rasendracudamani 15.67

15.67

{removing doṣas}
trikṣāraiḥ paṭupañcakāmlasahitaiḥ saṃkhalvasūtastryahaṃ bāhlīkāsuriviśvapiṇḍajaṭhare ruddhvātha saṃveśayet /
sandhāne tridinaṃ hi mandaśikhinā dolākhyayantre paceddoṣonmuktarasaḥ sudhārasasamaḥ pathyair vinā siddhidaḥ //

With the three alkalis together with the five salts and acids, mercury triturated in a mortar for three days should then be placed, enclosed within a paste of asafoetida, mustard, and dry ginger.
In fermented wash for three days indeed it should be cooked with a gentle flame in a swing apparatus: the mercury freed of flaws, equal to ambrosial nectar, grants success without dietary restrictions.