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5-乙硫基四氮唑
DU GLASS CYLINDER CPL.5 ML
气相色谱柱,TG-WAXMS 15m x 0.32mm x 0.50μm
SCREW CAP, TOP WITH HOLE, GL 32
MULTIPLE CHANNEL PIPETTE, DIGITAL, WITH TIP EJECTOR, 12-CHANNEL-PIPETTE, CONFORMITY CERTIFIED, VOLUME 0,5 -10 UL
4,4'-二氟二苯砜
异丙醇(石化专用)(夏季禁限运[包装>500g/mL])
Vanadium(V) Oxytriethoxide
SAMPLE BOTTLE, 1000 ML
叠氮化四丁基铵