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CNW dSPE分散固相萃取纯化管(火锅食品中罂粟碱、吗啡、那可丁、可待因和蒂巴
十二烷基硫酸钠 药检专用(沃凯)
15种氨基甲酸酯类混标(HJ 827-2017)
(一恒) LHH-500SDP药品稳定性试验箱 容积:500L内胆尺寸W×D×Hmm)700×600×1200
INSTRUMENT TRAY, MADE OF 18/8 STAINLESS STEEL, WITH OVERLAPPING KNOBCOVER, TARN, 200 X 100 X 50 M
AQUASIL C18 3UM 150X3MM COLUMN
黄豆苷原
HEAD FOR GAS WASHING BOTTLES 100 ML WITH SOCKET ST 34/35, AND SINTERED DISC P1
L-古洛糖酸-γ-内酯
Bond Elut Plexa SPE小柱,200mg,6ml