Determination of sodium azide in loxef sodium by six way valve dual column switching liquid chromatography
YU Changhai, HAO Huijun, WANG Yu, TANG Cuicui, JIA Haijian
Journal of Qilu University of Technology . 2025, (3): 57 -63 .  DOI: 10.16442/j.cnki.qlgydxxb.2025.03.008