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文章介绍了用真空蒸馏法制取金属砷的小试和扩大试验结果。砷挥发率75—80％,一次金属砷的品位为91—98.5％,经重蒸馏可进一步提纯,获得品位更高的金属砷产品。
The article introduces the vacuum distillation method for the production of metal arsenic test and expand the test results. Arsenic volatilization rate of 75-80%, a metal grade of 91-98.5%, after further distillation of purified to obtain higher grade metal arsenic products.