Lab-Aids: Dialysis Experiment Kit

Lab-Aids SKU: LAB-23
Lab-Aids: Dialysis Experiment Kit - STEMfinity

Lab-Aids: Dialysis Experiment Kit

Lab-Aids SKU: LAB-23
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Lab-Aids: Dialysis Experiment Kit


Chemical and biological theories come to life in this natural continuation to the study of Osmosis and Diffusion (LAB-22). In this activity, students use a colloidal solution of starch and sodium chloride to vividly observe dialysis. They also observe diffusion of a solute through a semi-permeable membrane. Students then remove an inorganic salt from a colloid and test for the presence of chloride ions and starch with simple color tests. Individualized worksheets guide students through the step-by-step procedure in this self-directed lab activity.

Scientific Concepts:
  • Observe diffusion of a solute through a semi-permeable membrane
  • Remove an inorganic salt from a colloid
  • Test for presence of chloride ions and starch with simple color tests

Content List:
  • 1 Teacher's Guide with MSDS
  • 30 Student Worksheets and Guides
  • 12 Chemplates‚®
  • 30 Containers, plastic
  • 3 Droppers
  • 30 Dialysis membranes
  • 3 Iodine Solution, bottle
  • 2 Sodium Chloride, bottle
  • 2 Starch Suspension, bottle
  • 1 Deionized Water, bottle
  • 1 Silver Nitrate, bottle

Classroom Planning:
  • To complete this kit requires 1 ~50-minute class period
  • Number of Students 30

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