History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c36.s5.26
History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c36.s5.26
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c36.s5.26
One part of gold and four parts of zinc are to be melted together and the alloy roasted in a closed crucible.....the process repeated with the addition of alkalies.....gold of a reddish-yellow colour will thus be generated. 11-17