OCR Text |
Show Sources of Arsenic The most important sources of tie world's supply of arsenic are the silver sil-ver mines of Saxony, the tin and pyrite mines of Kngland and the niispickel (arsenical pyrites) mines of Spain and the province of Ontario. Canada. The Canadian mispickel contains gold. Germany. In normal times, produces the greatest quantity of metallic and white arsenic. Kngland. which led the world's production In 191'J, hnviaj fallen behind. It Is estimated that the United States consumes about half of the entire prtxlnotlon of metallic, white, red and yellow arsenic. The yellow arsenic Is known ns orp'nnent. In the arts arsenic Is used in pyrcteohny anl In the manufacture- of shot, as well as for medicine and the making of fi powders. |