Open Top Cylindrical Dropping Funnel with Glass Key Stopcock, 250mL, Ungraduated, Borosilicate Glass Chemical_Fine White Sand the smaller and larger units

the smaller and larger units letting students compare scale-dependent total internal reflection behavior

and safety data sheets

Biodiesel production kit demonstrates green chemistry through transesterification reactions

the polysaccharide used as the iodine-clock-reaction indicator and as a complex-sugar source in biology labs

Two-prong single-adjustable universal clamp with an integral bosshead and non-slip vinyl sleeves

Open Top Cylindrical Dropping Funnel with Glass Key Stopcock, 250mL, Ungraduated, Borosilicate Glass Chemical_Fine White Sand the smaller and larger unitsOpen top cylindrical dropping funnel in borosilicate glass holds 250mL with glass key stopcock for controlled liquid addition procedures.