A closer look at aspirin
Aspirin is the most widely used drug.
What is the composition of aspirin? How are its various forms different? What substances are used as drug additives? What is the cost of making a medicine? Students are asked to answer these and other questions as they will perform a variety of tests on various aspirin products. In the process, they will determine the chemical composition and effectiveness of the drug.
The package contains several materials for 10 groups of students. The use of a laboratory is recommended. The kit includes the following activities:
Activity 1: (15-20 minutes)
Calculate the percentage of binder in a tablet
Activity 2: (30-45 minutes)
Analyze the contents of an aspirin tablet and calculate the dissolution times
Activity 3: (15-20 minutes)
Perform a cost-benefit analysis
The kit includes:
- 20 aspirin tablets from 4 different “brands”
30 ml Dropper bottle containing iodine
30 ml Dropper bottle, containing 1% iron chloride solution
10 Large plastic cups
40 pH Strips Test
Protective Gloves
90 Small cups
10 Stirring rods
10 Stirring rods
200ml Vinegar
Marker
Instructions for the teacher
Student instructions and worksheets
Materials Needed But Not Included:
- Weighing accuracy gram gram with tare measurement capability
2 liters of distilled water


