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Item #: FB1828

Price: $75.75

In Stock.

In the Diffusion and Osmosis Classic Lab Kit for  AP® Biology, explore diffusion and osmosis using a selectively permeable membrane. Refill is available.

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Item# FB1826 FB1827 FB1828
Type of Kit For 3 Groups For 8 Groups Refill Kit
Price $90.70 $150.00 $75.75
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Product Details

Students explore the processes of diffusion and osmosis using a selectively permeable membrane and investigate the relationship between solute size, solute concentration and the passage of water through the membrane. The water potential of potatoes is determined and plasmolysis is studied as well. Compound microscopes, 0.01-g precision balance, Elodea, potatoes and a red onion are required and available separately.

Materials: Clear plastic cups, 9-oz. Iodine solution* Cover slips, Graduated pipets, Dextrose (glucose)*, Potato slicer, Dialysis tubing clamps, Scalpels, Dialysis tubing, Sodium chloride solution, Weighing dishes, Starch, Glass slides, Sucrose, Glucose test strips

*Denotes items included with refill kit


Refill Kit

Materials Included in Kit: 
Dextrose, 50 g
Iodine solution, I2/KI, 40 mL
Sodium chloride solution, 4 M, 50 mL
Starch, soluble potato, 2 g
Sucrose, lab grade, 1 kg 
Dialysis tubing clamps, disposable, 120
Dialysis tubing, 25 mm x 15 mm x 40 feet
Dishes, weighing, 0.5 g, 1⅝" x 1⅝" x 5/16", 8
Glucose test strips, 100 strips
Pipet, Beral-type, graduated, 70