Open Top Cylindrical Dropping Funnel with Glass Key Stopcock, 250mL, Ungraduated, Borosilicate Glass Chemical_Fine White Sand Biodiesel production kit demonstrates green

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

and lead threading onto string or rod for mass-dependent pendulum period comparisons

Very long-focal 75mm double-concave glass lens at 500mm focal length

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

Open Top Cylindrical Dropping Funnel with Glass Key Stopcock, 250mL, Ungraduated, Borosilicate Glass Chemical_Fine White Sand Biodiesel production kit demonstrates greenOpen top cylindrical dropping funnel in borosilicate glass holds 250mL with glass key stopcock for controlled liquid addition procedures.