装配有螺纹接头用于柱色谱的色谱柱, Column for flash-chromatography assembly with threaded joints

装有球接头用于柱色谱的色谱柱, Columns for flash-chromatography assemblies with ball joints

ST/NS 螺纹接头的溶剂贮存器, Solvent reservoir for threaded ST/NS joints

Ace chromatography column

Ace 色谱柱

Bottom-drip adapter for large columns

用于大色谱柱的底滴式接头

Rectangular TLC developing tanks, complete

矩形 TLC 展开罐，完整

Pentacosane

二十五烷

Poly(ethylene glycol)

聚（乙二醇）

Boron trifluoride-methanol solution

三氟化硼-甲醇 溶液

Benzoic Acid