X-ray diffraction data show that except for few Fe2O3 and Fe3O4, near pure Zn2Y phase has been formed during the calcining process under a fairly low temperature.

• X射线衍射表明,除微量的Fe2O3和Fe3O4 外,该工艺制备的吸收剂粉体为单一的Y型铁氧体 Zn2Y(Ba2Zn2Fe12O22)。