Matrix-matched multi-external standards combined internal standard calibration strategy for the simultaneous determination of ultra-trace Au, Pt and Pd in geochemical samples by LA-ICP-MS after lead fire assay preconcentrationWenshan Ni, Liping Zhang, Xiaorui Guo et al.|Microchemical Journal|2021Cited by 7
Isotopic spike 190Os as internal standard and empirical coefficient LA-ICP-MS combined with Sb fire assay for the determination of ultra-trace platinum group elements in geochemical samplesWenshan Ni, Fang Xiao, Tiantian Wang et al.|Talanta|2024Cited by 4