References

RCint, 6, 4.2
  evaṃ svarṇādilohānāṃ viśuddhiḥ samprajāyate //Context
RCint, 6, 6.2
  saptadhaiva viśuddhiḥ syādravidugdhe ca saptadhā //Context
RCint, 8, 102.1
  kāle malapravṛttirlāghavamudare viśuddhir udgāre /Context