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Chemistry in Rasaratnasamuchchaya (1300 AD to 1550 AD); from Acharya Prafulla Ray’s A History of Hindu Chemistry.

It seems to have been standard procedure to cite extensively from earlier scholars.

BOOK VIII
ON TECHNICAL TERMS

[The author evidently reproduces this chapter from a standard work on the subject by Somadeva. There is a work named Rasendrachudamani by Somadeva.]

For the comprehension of ignorant physicians, Somadeva is now expounding the technicalities as made use of by experts. I

The physician is entitled to half the share of prepared mercury and eighth part of medicated oils and ghee and seventh part of prepared iron and other metals.