Pan LIU, Jing-bin LI, Jian-hao ZHANG, Yi ZHANG, Guo-liang CHANG, Peng-fei HE, Bin-bin ZHANG, Xin-yao ZHANG. Determination of Phosphorus in Welding Flux by Inductively Coupled Plasma Atomic Emission Spectrometry With Ultrasonic Assisted Hydrochloric Acid Extraction[J]. Spectroscopy and Spectral Analysis, 2022, 42(9): 2824