The net flow of solvent molecules through a semipermeable membrane from a pure solvent in this cause deionized water to a more concentrated solution is called osmosis. Skip to main content. Tie one end of the dialysis tubing in a double knot to make a leak proof bag. Secure the buret to a stand. Slide the open end of the dialysis bag around the 50 mL buret and pull the bag up so that the bag and tubing overlap for about one inch.
Secure the bag around the buret using a rubber band. Use food coloring to color about mL of saturated salt solution and then add the salt solution to the dialysis bag by pouring it through the top of the buret. The bag should be filled with salt solution. High molecular weight particles such as starch, polysaccharides, fats and protein are restricted. Our products are durable, reliable, and affordable to take you from the field to the lab to the kitchen.
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