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LiChroCART 50-10,LiChrospher 60 Si 15μm定制柱
20mL中型陶瓷坩埚,不含盖
0.5:0.01mL,移液管,AS级,透明,玻璃,吹出式,标称量程顶部,棕色刻度
间二甲苯
CHROMATOGRAPY-COLUMNS, SIMPLE, ST-STOPCOCK, FUSED-IN SINTERED GLASS-DISC P0, W. VALVE AND PTFE- V
对硝基苯甲醇
ASCENTIS SI 3UM 15CM X 1.0MM HPLC COLUMN
16种涕灭砜威、吡唑醚菌酯、嘧菌酯等农药残留(GB23200.34-2016 组A)
BOTTLES, PE, NARROW NECK, ROUND, TRANSPARENT, W.SCREW-CAP, 1000 ML, GL 38
磷酸二氢钠二水合物