BeO, CaO, So2, HgO,ClO3, SO3, Hg2O, PbO, SeO3, TeO2, ZnO, CuO, N2O5, N2O3, Co, co2, N2O, K2O, Na2O, As2O3
BeO, CaO, So2, HgO,ClO3, SO3, Hg2O, PbO, SeO3, TeO2, ZnO, CuO, N2O5, N2O3, Co, co2, N2O, K2O, Na2O, As2O3