A novel procedure for the direct determination of Ca, Mg and Fe in serum using an improved electrothermal vaporization simultaneous microwave plasma torch spectrometer (ETV-MPT) was described.

• 采用电热蒸发与微波等离子体炬(MPT)全谱仪联用的仪器设备,并改进了以前的电热蒸发装置,对血清样品中Ca、Mg和Fe的检测采用直接进样的方式,省去了繁琐的样品处理过程。