Abstract

It was found that water solutions of arsenic oxide contain the compounds As₄O₆ · XH₂O and As(OH)₃. The acid OAsOH is not present in these solutions. The presence of alkali halide in arsenic oxide solutions results in the formation of an <i>ortho</i> arsenite. Oxyarsenic halides and AsCl₄− are not present in solutions of AsCl₃. The stability of these ions is questioned.

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