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CONTENTS
THE TANTRIC PERIOD
(From 1100 A. D. to circa 1300 A. D)
CHAPTER I
Chemistry in Rasarnava
PAGE
Extracts from Book IV—On Apparatus and the Colour of Flames—Dola Yantram—An Apparatus for Killing Metals—Garbha Yantram—Efficacy of the Apparatus—Hamsapáka Yantram—Crucibles—Colour of Flames—Tests of a Pure Metal—Koshtí Apparatus—Colophon to Chapter IV—The Alkalies—The Maharasas—Copper from the Pyrites—Brass from Calmine and Copper Mistaken for Gold—Extraction of Zinc from Calmine—Saurashtri—The Metals—The Killing of Metals—Purification of Quicksilver—Killing of Mercury—Killing of Gold—Tests for Killed Mercury—Colouring of Metals |
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THE IATRO-CHEMICAL PERIOD
(From 1300 A. D. to circa 1550 A. D.)
CHAPTER I
Chemistry in Rasaratnasamuchchaya
Colophon—The Rasas—Abhra—Vaikránta—Copper Pyrites—Vimala—Silájatu—Sasyaka—Extraction of Copper—Chapala——Rasaka—Extraction of Zinc—The Uparasas or Inferior Rasas—Sulphur—Gairika—Kásisa—Tuvarí—Tálaka—Manassila—The Añjanas—The Common Rasas—Navasára and other Rasas—The Gems—Vajram—General Process of Reducing Gems to Ashes—On Metals—Gold—Silver—Copper—Iron—Tin—Lead—Brass—Bell-Metal, &c.—Ini- |
