Cylindrical Borosilicate Glass Dropping Funnel with Rotaflow Stopcock Capacity:1000mL Sterile amber polypropylene centrifuge tubes

Sterile amber polypropylene centrifuge tubes hold 50mL each in a 25-pack with UV-blocking construction for photosensitive sterile samples

5 inches with 8mm outer diameter for glassblowing and chemistry apparatus construction

this single-input inverter logic module produces an output state that is the Boolean complement of its input signal

generating repeated sparks to illustrate charge separation by induction

wheel-and-axle

Cylindrical Borosilicate Glass Dropping Funnel with Rotaflow Stopcock Capacity:1000mL Sterile amber polypropylene centrifuge tubesScrew type Rotaflow stopcock provides stepless, drip rate flow control during slow reagent additions in organic synthesis and Grignard style reactions.