Determination of streptomycin and dihydrostreptomycin residues in tomato paste by tandem dual solid phase extraction column-liquid chromatography-tandem mass spectrometry
GONG Zhiguo1, SU Min1, JI Xincheng1*, LI Shiyu1, WAN Yuping2
Chinese Journal of Chromatography . 2012, (01): 33 -38 .  DOI: 10.3724/SP.J.1123.2011.08009