Rasarnava 11.155

11.155

same tu pannage jīrṇe daśavedhī bhavedrasaḥ
dviguṇe śatavedhī syāt triguṇe tu sahasrakam //

When an equal amount of lead is digested, the mercury becomes a tenfold transmuter; / when twofold, it becomes a hundredfold transmuter; but when threefold, a thousandfold;