Separating Ink Pigments
Grade 10th Grade · Science · 45 min
What's Included
Learning Objective
I can separate the different pigments in ink using chromatography.
Warm-Up Video
The Science Girl · 3:22
Paper Chromatography Ink Experiment - Is Black Ink Really Black?
Guided Notes
3 key concepts
- 1
Black ink is typically a mixture of different colored pigments, not a single color.
- 2
In paper chromatography, the paper strip acts as the stationary phase, while the solvent acts as the mobile phase.
- 3
Chromatography separates substances based on their different affinities for the stationary and moving phases, causing them to move at different speeds.
Practice Questions
11 questions · Multiple choice & Short answer
Exit Ticket
Quick comprehension check
“Describe the setup of the paper chromatography experiment performed in the video, including the stationary phase, mobile phase, and how the ink is applied to the paper. What causes the different pigments to separate?”
Teacher Guide
Get the complete package:
- Answer keys for all questions
- Differentiation strategies
- Extension activities
- Printable student handouts
