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

带球形接头的溶剂贮存�? Solvent reservoir with ball joints

Poly(ethylene glycol)

聚（乙二醇）

Sodium Iodide

Benzoic Acid

Ethyl octanoate

辛酸乙酯

Silica gel

硅胶

Silica gel

硅胶

Silica gel

硅胶