This piece of dialysis tubing can be opened up to form a sheet of semi-permeable membrane that is 3-1/2" wide by 12" long. Includes instructions for performing omosis and diffusion experiments.
The dialysis tube provides enough semi-permeable membrane for three osmosis or diffusion experiments using a thistle tube. Order with a thistle tube for best results.
This dialysis tubing is selectively permeable regenerated cellulose used to demonstrate the principles of osmosis and diffusion. Pores in the membrane permit the passage of water, most ions, and small molecules. High molecular weight particles such as starch, polysaccharides, fats and protein are restricted.
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