Anandakanda 1.9.6

1.9.6

pātayetpātanāyantre kuryādevaṃ tu saptadhā /
sagandhakaṃ mardanaṃ ca pātanaṃ bhavati priye //

One should distill it in a distillation apparatus, and one should do this seven times. / Trituration with sulphur and distillation are thus performed, O beloved;