The determination of trace silicon in high-purity barium titanate by GFAAS method is studied,in which the sample is dissolved in hydrofluoric acid with high pressure seal.

• 用石墨炉原子吸收光谱法研究钛酸钡中痕量硅的测定,在高纯钛酸钡新领域的研究及生产中都有重要的现实意义。