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PKF118-310,≥98% (HPLC)
冻干牛血中汞含量测定质控样品
Diffuser Assembly(滤头配件)
5-氯-2-巯基苯并噻唑
TRAY, 252x252x42 mm
PTFE Shaft Guides, High Performance (HP), B Length Cone, PEEK Taper,Shaft 19, Cone 45/40, Ht 70, Rin
Tygon? ST id. 4.8mm wall 3.2mm / reel of 15m
有机相针式滤器(100只/包)25mm*0.45um
CRIMPMATE 11MM 去盖 钳口
MEASURING SCOOP, 1000 ml