” Some arsenic trioxide finds its way in to the air. Condensation with the vapors on a surface at temperatures above 250° C forms the glassy modification, which little by little changes to the crystalline, monoclinic sort. Arsenous acid can not be isolated. On evaporation of its options, arsenic trioxide https://andreshezbb.tdlwiki.com/1278101/the_greatest_guide_to_arsenic_lll_oxide