US$ 39.00
Zinc-and-carbon electrochemistry demonstration cell with electrolyte
Cut-away section on this chloroplast model exposes grana stacking
and acetate strips for hollow-conductor work
and HVAC work
allowing for a quick grasp of food testing concepts
Magnet Probe for Field Detection Lab Supplies_Glass Tubing Zinc-and-carbon electrochemistry demonstration cell withPlastic handled probe with a 1. 75 inch stationary ring and a free rotating bar magnet (blue and red poles) on the rotating ring, allowing students to map field direction across both axes by hand.
US$ 39.00
US$ 36.00
US$ 24.41
US$ 22.84
US$ 23.93
US$ 142.54
US$ 50.00
US$ 15.67