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862A专业型台式DO/BOD测量仪
绿色 TARGET SNAP-IT聚丙烯隔垫 含 STARGET
Hibar 250-4,LiChrospher 100 RP-8 10μm定制柱
o-(Trifluoromethyl)benzenesulfonyl Chloride
SPE16 PORT SYSTEM CONSISTING OF: VACUUM CHAMBER WITH POLYAMIDE LID FOR 16 PORTS, VACUUM VALVE AND SAMPLE RACK
气相色谱柱,TG-WAXMS A 30m x 0.53mm x 0.50μm
125ml 气体采样瓶(玻璃活塞)
ALS注射器,50ul 直型,固定针头,PTFE-头推杆
N-Methylphthalimide
TRIANGLE STIRRING BAR 42**