Cakradatta (Cikitsasangraha) 8.44

8.44

etāni samabhāgāni maṇḍūraṃ dviguṇaṃ tataḥ .
gomūtre'ṣṭaguṇe paktvā sthāpayetsnigdhabhājane .. 43 ..

these in equal parts, and twice as much iron slag;
having boiled it in eight times as much cow's urine, one should store it in an oiled vessel. // 43