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SEP-PAK VAC PSA小柱
甲醇中p,p’-DDD
5-溴-2-甲氧基-3-硝基吡啶
VITLAB 50mlB级聚丙烯容量瓶,聚丙烯材质顶塞
CNW dSPE分散固相萃取纯化管(AOAC 2007.01:含脂肪和蜡状物的果蔬),颗粒状硫酸镁
4,4-Bis(2-ethylhexyl)-4H-silolo[3,2-b:4,5-b']dithiophene
Thifensulfuron-methyl Standard
Valve block seripettor?/seripettor? pro 25 ml, without valves and sealings
L(-)-苏氨酸标准品
LIDS, FLAT FLANGE, DN 200, CN KF 40