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(定制产品)18种ICP元素ICP-MS混标,10mg/L溶于2% HNO3
气相填料
DU GLASS CYLINDER CPL. 2 ML
DISPOSABLE PIPETTES, WITH CIRCULAR MARK, 20+40 UL, 2 X RED CONFORMITY CERTIFIED
DESICCATOR TUBE SGJ14 695
MAGNETIC STIRRING BARS,CYLINDRICAL PTFE, O. D. 4,0 MM, LENGTH 12 MM
2-溴代-4'-甲氧基苯乙酮
连接件
STIRRER COMPRESSED AIR RO 1 / V4A-18/8, OVERALL LENGTH: 120 MM 0,1 - 6 BAR
水相过滤膜