copper:: rañjana, śodhana
tanurapi patraṃ liptaṃ lavaṇakṣārāmlaravisnuhikṣīraiḥ /
dhmātaṃ nirguṇḍīrasasaṃsiktaṃ bahuśo bhaveddhi raktaṃ ca // GRht_9.13 //
svarṇarūpyayoḥ śodhanamāha tanurityādi // GRhtCM_9.13:1 //
pavaṇetyādi // GRhtCM_9.13:2 //
pavaṇāni sauvarcapādīni kṣārāḥ svarjikādayaḥ ampāḥ jambīrādayaḥ ravirarkaḥ snuhī sudhā tayoḥ kṣīrāṇi etaiḥ tanurapi sūkṣmamapi patraṃ dapaṃ sārapohākhyayoḥ iti śeṣaḥ piptaṃ dhmātaṃ sat bahuśo+anekavāraṃ nirguṇḍīrase saṃsiktaṃ śephāpīdrave siñcitaṃ kuryāt // GRhtCM_9.13:3 //
tarhi svarṇaṃ rūpyaṃ ca raktaṃ āraktachaviyutaṃ bhavedityarthaḥ caśabdācchudhyati // GRhtCM_9.13:4 //