A hydride generation-atomic fluorescence spectrometric method for the determination of trace arsenic and mercury in calcined magnesite and brucite was achieved.

• 试样经微波溶解,用抗坏血酸和硫脲作还原剂,氢化物发生原子荧光光谱法测定轻烧镁和水镁石中砷和汞。