Experiments
Here are experiments our science specialists have selected to support the IB* topic.
The Synthesis and Analysis of Aspirin
Experiment #22 from Advanced Chemistry with Vernier
In this experiment, you will
- Synthesize a sample of acetylsalicylic acid (aspirin).
- Calculate the percent yield of your synthesis.
- Measure the melting temperature of your aspirin sample.
- Conduct a colorimetric analysis of your aspirin sample.
Extraction of Spinach Pigments and Analysis by Electronic Absorption Spectroscopy
Experiment #12 from Organic Chemistry with Vernier
In this experiment, you will
- Extract the pigments in spinach leaves.
- Determine the Rf values of the pigments in spinach.
- Isolate the green and yellow pigments using column chromatography.
- Identify the wavelengths of absorbance peaks for the extracted spinach pigments.
- Educational Standard
- International Baccalaureate (IB)
- Subject
- Chemistry
- Section
- Core
- Topic
- 11. Measurement and Data Processing
* The IB Diploma Program is an official program of the International Baccalaureate Organization (IBO) which authorizes schools to offer it. The material available here has been developed independently of the IBO and is not endorsed by it.