Content determination of Sudan I with 1H NMR spectroscopy
GENG Yan-Ling, MA Ran, LIU Wei, GAO Hong-Mei, LIU Jian-Hua, WANG Xiao, DUAN Wen-Juan
J4 . 2013, (5): 10 -13 .  DOI: 10.3976/j.issn.1002-4026.2013.05.003