Crimp seals with PTFE/silicone septa

带 PTFE/硅胶隔垫的钳口密封盖

Flash-chromatography assembly with threaded joints

带螺纹接头的柱色谱组件

Flash Point-PT

Mol Sieve 5A PLOT毛细管GC色谱柱, Mol Sieve 5A PLOT Capillary GC Column

Pyrene

芘

带球形接头的柱色谱组件的流量控制器, Flow controllers for flash-chromatography assemblies with ball joints

Sodium Chloride

氯化钠

Refractive index standard

Vescalagin

Meranzin