A method for the determination of trace selenium in dexamethasone acetate by microwave-assisted digestion with graphite furnace atomic absorption spectrometry was reported in this paper.

• 采用微波制样技术对样品进行消解,减少了消化过程中硒的损失,利用石墨炉原子吸收光谱法对醋酸地塞米松中微量硒进行测定。