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Product Information

Quickly and easily demonstrate osmosis and diffusion of molecules through a selectively permeable membrane
We've concentrated our solutions so your students get dramatic results in just minutes, and with less reagent waste.
Students perform glucose tests and observe changes in the color and appearance of a starch and glucose-filled dialysis tube placed in a solution of water and iodine potassium iodide.
Includes: glucose solution (15%), starch solution (1%), iodine potassium iodide (IKI), glucose testing strips, cups, graduated pipets, dialysis tubing and complete instructions featuring a teacher's guide with answers, and reproducible student guides with background information, step-by-step procedures and hand-in worksheets. (Please note: Graduated cylinders, goggles, aprons and gloves are required but not included.)



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