The Nb and Th in iron ore from the beneficiation process were measured with XRFS,by using the Compton Scattered_light intensity of Rh_target as internal standard.

• 采用X射线荧光光谱法，以铑靶的康普顿散射线强度为内标，测定了铁矿石选矿流程样品中的铌和钍。