Desolation STEM: Urine Trouble™ Water Purification Kit

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Product Number: SB50364

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Grades 7-12.

For your STEM curriculum.

Students will learn how to recycle urine into drinking water and test their results for safety. Experiments include testing synthetic urine for salt content with a lead nitrate reaction, testing pH and the presence of urobilin by building a colorimeter and calibrating it with a standard curve, designing and building an efficient distillation apparatus, and analyzing purified distillate for salt, pH, and urobilin to determine if its safe to drink. Includes eight packages of colorimeter parts, 32 tubes for preparing standard curve, eight containers of lead nitrate, 32 transfer pipettes, 16 pH strips, and 16 microcentrifuge tubes. Required but not included: hot glue gun with glue, labeling tape or permanent markers, graduated cylinders (25-100 mL), one-liter bottle and small funnel, paper towels, aluminum foil, one 500 mL and 50 mL Pyrex® beaker per group, Bunsen burner or hotplate per group, and a multimeter or datalogging equipment per group to measure resistance. For 32 students in groups of eight.

Item Weight: 5.50
Age: 12 yrs. - 18 yrs.
Grade: 7 - 12
School Type: Middle School, High School
Subject Areas: Genetics & Forensic Science
Brand: Nasco
Prop 65:


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