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Physics
Teacher Developed Classroom Tested

Quickly and easily demonstrate osmosis and diffusion of molecules through a selectively permeable membrane
We've concentrated our solutions so you get dramatic results in just minutes, and with less reagent waste. This demonstration version of our classroom set lets you perform the experiment while your students 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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