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PK10 1/4IN ONE-PIECE TEFLON FERRULE
LiChroCART 10-10,LiChrospher 60 RP select b 25定制柱
3-甲醛苯甲酸甲酯
进样隔垫,10个/包
HYDROMETERS, FOR CA(OH)2, WITHOUT THER- MOMETER, 20|C, RANGE 0-240G/L, L. 500 MM
FRACTIONATING COLUMNS ACC.TO VIGREUX. PRECISO WITHOUT GLASS JACKET CONE ST 24/29 EFF. LENGTH 300
L-硒代蛋氨酸
6ml 玻璃 2g NA2SO4, 2gFL SPE 管路, 30个/包装
双(二羰基环戊二烯铁)
(4-溴苄基)三苯基溴化磷