Content Objective: To explore how chromatography works and how it can be used.
Language Objective: To describe how the Rf value is calculated and use it to determine a pigment.
Book Reference: NA
Syllabus Details:
Separation of photosynthetic pigments by chromatography
Visible light has a range of wavelengths with violet the shortest wavelength and red the longest
Chlorophyll absorbs red and blue light most effectively and reflects green light more than other colours
Drawing an absorption spectrum for chlorophyll and an action spectrum for photosynthesis
Activity 1 - Absorption Spectrum
Activity 2 - Chromatography