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porphyrin

I'm a semi-retired physical chemist.

  • Member for 4 years, 1 month
  • 1 profile view
  • Last seen 2 days ago

Communities (6)

  • Chemistry 23.9k 23.9k 11 gold badge4242 silver badges6565 bronze badges
  • Physics 382 382 11 silver badge1010 bronze badges
  • Mathematics 146 146 33 bronze badges
  • Computational Science 111 111 44 bronze badges
  • Stack Overflow 103 103 44 bronze badges
  • View network profile

Top network posts

  • 18 Is it possible for a substance to absorb a longer wavelength of EM wave and emit a shorter wavelength?
  • 18 Why does bond angle decrease in the order H2O, H2S, H2Se?
  • 14 What is resonance, and are resonance structures real?
  • 13 Is there any empirical upper limit for order of reaction?
  • 13 Can magnetic fields affect a chemical reaction?
  • 12 Uv vis and fluorescence spectroscopy: sensitivity
  • 12 Why is the magnesium(II) ion preferred over other ions in chlorophyll?
  • View more network posts →

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  •  Autobiographer
    Dec 6 '16
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