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UMB / Plant Science / PLSC 110 / Explain what color chromatography is.

Explain what color chromatography is.

Explain what color chromatography is.

Description

School: University of Maryland
Department: Plant Science
Course: Introduction to Horticulture
Professor: Christopher walsh
Term: Spring 2016
Tags:
Cost: 25
Name: PLSC100 - Week 9 Lab Notes
Description: These notes are my notes from week 2 the lab presentation.
Uploaded: 04/09/2016
2 Pages 444 Views 0 Unlocks
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Color Chromatography

  • A technique used to see different components of a solution.
  • Separate the pigments in a leaf.
  • Pigments travel at different rates because they are not equally soluble
  • Rub leaf on paper and watch as colors travel up
  • An orange color band at the top (carotenoids)
  • A yellowish band bellow (xanthophyll)
  • Blue-green band (chlorophyll A)
  • Greenish yellow band at the bottom (chlorophyll B)

Don't forget about the age old question of What is the formula for Quantitive easing?

Lab

  • Electromagnetic spectrum
  • PAR
  • Pigments
  • Spectrometer
  • Thin Layer Chromatography

We also discuss several other topics like How do we use a Modular Arithmetic?

Electromagnetic spectrum

  • A continuous spectrum of radiation
  • Each radiation has a characteristic amounts of energy associated
  • ‘Light’ is just a small spectrum part
  • All travel in waves

If you want to learn more check out have backbone of four fused carbon rings

PAR Photosynthetically Active Radiation

  • The range of photosynthesis                
  • measured from 0-2000 m-2s-
  • 400-700nm

Don't forget about the age old question of mtsu physics

What is a photosystem?

  • Aggregates of pigments
  • Pigments - molecules that absorb specific λ of light
  • Like a pool of many kinds of pigments so that more light is absorbed
  • The light energy is bounced from pigment to pigment until it reaches a reaction center that can pass on captured electrons.

Don't forget about the age old question of axe description chemistry

Pigments

Chlorophyll a - most abundant pigment

  • absorbs blue and red

Chlorophyll b - absorbs blue and red

Carotenoids - absorbs blueWe also discuss several other topics like What is the functional necessity of stratification.

Anthocyanins - absorbs green

Spectrometer - allows us to select a single wavelength, pass it through a solution and determine the total amounts of light of that wavelength that is absorbed by that solution.

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