” Some arsenic trioxide finds its way into the air. Condensation in the vapors on the floor at temperatures previously mentioned 250° C types the glassy modification, which little by little modifications into the crystalline, monoclinic sort. During the processing of As2O3 the oxide is Ordinarily minimized withcarbon: 2As2O3+3C?→As4+3CO2 The http://https//chemscenter.com