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Product 12493

By: The Flinn Staff

The Liquid Chromatography Classic Lab Kit for AP® Chemistry will provide insight into the chromatographic process. Students will separate dyes found in Kool-Aid® using chromatography methods that mimic methods used in research and industry.

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Classic AP Requirement #18—Separation by Chromatography

Separate different colored dyes found in grape Kool-Aid® using chromatography methods that mimic popular methods used in research and industry. Miniature liquid chromatography columns called Sep-Pak® C18 cartridges are used to separate the dyes and polar components of Kool-Aid.

Students will understand the chromatographic process and relate the polarity of molecules to the separation process.

Complete for 24 students working in groups of four.

Liquid Chromatography Inquiry Guidance and AP® Chemistry Curriculum Alignment Transition Guide available! Follow the link in Resources to find this valuable publication that lets you adapt this classic AP Chemistry experiment for guided-inquiry and correlate with the AP Chemistry curriculum framework.

Correlation to Next Generation Science Standards (NGSS)

Science & Engineering Practices

Asking questions and defining problems
Developing and using models
Planning and carrying out investigations
Analyzing and interpreting data
Using mathematics and computational thinking
Constructing explanations and designing solutions

Disciplinary Core Ideas

HS-PS1.A: Structure and Properties of Matter
HS-PS2.B: Types of Interactions

Crosscutting Concepts

Patterns
Scale, proportion, and quantity
Systems and system models

Performance Expectations

HS-PS1-3. Plan and conduct an investigation to gather evidence to compare the structure of substances at the bulk scale to infer the strength of electrical forces between particles.
HS-PS3-5. Develop and use a model of two objects interacting through electric or magnetic fields to illustrate the forces between objects and the changes in energy of the objects due to the interaction.