A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v1.c11.t3: Black Sulphide of Mercury (Kajjali)
A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v1.c11.t3
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Black Sulphide of Mercury (Kajjali)
v1.c11.t3.1
or *Æthiops Mineral*
v1.c11.t3.2
The first process consists in the purification of mercury.
v1.c11.t3.3
“Quicksilver, rubbed repeatedly in the juice expressed from *sesbania aculeata*, *ricinus communis*, *zingiber* and *solanum nigrum*, becomes purified.”
v1.c11.t3.4
“Take one part of mercury and one part of sulphur, rub the two together in a mortar and thus prepare *kajjali* or *rasarpati*.¹”
v1.c11.t3.5
¹ Chakrapáni himself claims its discovery or at any rate its introduction : रसपर्पटिका ख्याता निवद्धा चक्रपाणिना । Vrinda, however, recommends its use as well.