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O-ring for pipet shaft seal Fix/Digital 2,5 x 1,5, FPM/FKM, 70 Shore, 3 pieces
填充柱 7%葵二酸 on GDX-103 60/80
3-甲基-4-溴苯甲酸
2ml LC GT RN 进样针 22#, 2" ndl
KECK QUICK PRESSURE COUPLINGS KK, COMPLETE WITH TUBING PARTS 2X9 MM
PALL PTFE针式滤器,0.2 µm,25 mm
HPLC正己烷
烧杯,高型,400 ml,有刻度
三苯基膦羰基氯化铑