Driving question : What is the composition of air freshener?
In this activity, students analyse the composition of air freshener using gas chromatography. Performing this experiment gives them hands-on knowledge about operating a gas chromatograph and its practical applications and limitations.
Topic: Chemical analysis,
Concepts: Chemical analysis, Gas chromatography, Gaseous state,
Grade level: High School (14-18 years),
Activity type: Data logging,
Sensors: Gas chromatograph (Bt45i),
Interface requirements: Single analog sensor input,
The Student Worksheet gives investigation instructions for students.
The Teacher Notes includes teacher commentaries such as didactical approach, exemplary questions, assignments and data analysis.
The Science Background describes the scientific principles that underlie the activity.
Coach Activity/Result file can be opened in the Coach 7 Program. This requires Coach 7 to be installed on your computer.