Minerals and Metals in Ancient India v2.c47.107
Minerals and Metals in Ancient India v2.c47.107
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v2.c47.107
*Niter* : Sodium nitrate NaNO₃. Chilean Saltpetre. Also Potassium nitrate. KNO₃. Forms abundantly in certain soils by the action of bacteria upon animal remains. In great quantities in the desert region of northern Chile. Also in the ancient world, India, Egypt, Persia etc.