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0.25mol/l磷酸二氢钾溶液
HYPERSIL GOLD AQ 5UM 150X0.2MM KAPPA COLUMN
磁性过滤漏斗
甲醇中苯酚溶液标准物质
MULTI-LEVEL REMOVAL FUNNELS FOR SEPARATING, SQUIBB, BORO 250 ML, ST 29/32, GL 32, WITHOUT VALVE
毒莠定
CONNECTION TUBES,STRAIGHT, WITH SERRATED ENDS, DURAN-BOROS.-GLASS D: 9MM, LENGTH: 115 MM, WALLTHI
DIMROTH-CONDENSERS, ACC. TO DIN 12591, CONE ST 14/23, SOCKET ST 14/23, JACKET LENGTH: 250 MM
内插管 0.2ML 用于 W/M 锥形瓶底
3-(4,4,5,5-四甲基-1,3,2-二杂氧戊硼烷-2-基)苯酚