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2,7-双(4,4,5,5-四甲基-1,3,2-二氧硼戊环-2-基)-9,9-二正辛基芴
标样-甲醇中7种苯系物混标
JACKETED COIL CONDENSERS, ACC. TO DIN 12593, CONE ST 29/32, SOCKET ST 29/32, JACKET LENGTH: 400 MM
Sample cups for CentrifiChem-Analyzer,PS,0,5 ml, for Gemsaec-Analyzer
HyperSep C8 SPE Column, 1g/6mL 30个/包装
250ml广口方形带刻度试剂瓶,PE瓶身,PP盖子,口径34.5mm
(R)-1-苯基-1,2-乙二醇
磷(P)ICP-MS标准溶液,1000mg/L±0.3%溶于0.05% HNO3
MICROLITER PIPETTES, "WITOPET", TYPE FIX 25 UL, WITH TIP EJECTOR, CONFORMITY CERTIFIED, YELLOW
3-氟-4-硝基苯甲酸甲酯