Headspace vial, clear glass, beveled top, flat bottom

顶空样品瓶(透明玻璃材质,斜顶平底)

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器, Solvent reservoir with ball joints

Poly(ethylene glycol)

聚（乙二醇）

Sodium Iodide

碘化钠

Benzoic Acid

苯甲酸

Graphite

Silica gel

硅胶

Silica gel

硅胶