Charak Samhita
तत्राश्चूर्णानामष्टपलं प्रक्षिपेत्तथाऽमूनि। त्रिफलैले त्वङ्मरिचं पत्रं कनकं च कर्षांशम् ॥७४॥
To this powder (bhasma / mandura) of iron in 8 pala quantity should be added along with triphala, ela, tvak, maricha, patra and kanaka (nagkeshara) in one karsa quantity.
english translation
tatrAzcUrNAnAmaSTapalaM prakSipettathA'mUni। triphalaile tvaGmaricaM patraM kanakaM ca karSAMzam ॥74॥
hk transliteration by Sanscript