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

Lanthanum(III) Oxide

Silica gel

硅胶

Silica gel

硅胶