Ace gas dispersion tube with porous fritted glass tip

Aldrich^® high-efficiency Liebig reflux condenser

Aldrich^® System 45^TM Squibb separatory funnel

Aldrich^® West condenser w/ Clear-Seal^® joint

Aldrich^® wide-mouth dewar flasks

Apiezon^® grease

Apiezon ^® 润滑脂

Bright-Line^TM Hemacytometer replacement cover slip

Bright-Line^TM血细胞计数器替换盖玻片

Büchi^® evaporating flask, pear-shaped

Büchi^® evaporating flask, pear-shaped

Bytac^® surface protection laminate

Coors^TM alumina pestle