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History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c37.69

History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c37.69

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English

c37.69

The *jamak* or the waste liquor was found on analysis by P. C. Ray to contain bases like silver, copper, zinc, gold, aluminium, potassium and sodium; while amongst the acids present, nitric, hydrochloric and sulphuric were recognized in large quantities. Traces of free chlorine could also be found in some of the solution, while perceptible amounts of iron were found in almost all A microscopic examination of the material revealed octahedral crystals of alum, rhombic prisms of nitre, and the cubic crystals of common salt Besides these, there were observed small numbers of long, transparent needles of the crystals of NaAuCl₄.2H₂O. Fine particles of free gold were also detected.