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AP Biology Lab #4: Plant Pigments and Photosynthesis

AP Biology Lab #4: Plant Pigments and Photosynthesis. Carolina Activity A: Leaf Pigment Chromatography. Purpose. To identify whether a green leaf is composed of one pigment or several. Also, to conduct a paper chromatography lab. Materials. Chromatography Jar (with solvent)

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AP Biology Lab #4: Plant Pigments and Photosynthesis

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  1. AP Biology Lab #4:Plant Pigments and Photosynthesis Carolina Activity A: Leaf Pigment Chromatography

  2. Purpose • To identify whether a green leaf is composed of one pigment or several. Also, to conduct a paper chromatography lab.

  3. Materials • Chromatography Jar (with solvent) • Chromatography Paper • Spinach Leaf • Coin • Stapler • Ruler

  4. Procedure • Follow the lab instructions. • The solvent in the jar is very potent, keep capped and open and close quickly. • Roll the coin pressing firmly but not too hard. • The bands may be difficult to see.

  5. Feedback • Use Maple leaf (red and sugar) or Radicchio • Use several different species and compare • Look at Fall and Spring leaeves

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