Canadian Space Agency
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Table of Contents
SCISAT-1
Fact Sheet 1
Classification of Solar uv (Ultraviolet) Light
Ultraviolet
Wavelength in nanometres (nm)
Primarily absorbed by...
Overall reaction
uv-A
400-320
oxygen molecule
photodissociation of oxygen molecules whose atoms react to produce ozone
uv-B
320-280
ozone molecule
photodissociation of ozone molecules whose atoms react to produce molecular oxygen
uv-C
280-200
ozone molecule
photodissociation of oxygen molecules whose atoms react to produce molecular oxygen
Ozone Destroying Compounds
Common name
Compound
Active Element
Applications
CFCs (chlorofluorocarbons)
Freon-11
Freon-11
CFCl3
Cl
chlorine
chlorine
refrigeration and aerosol sprays
CFCs (chlorofluorocarbons)
Freon-12
Freon-12
CF22Cl2
Cl
chlorine
chlorine
refrigeration and aerosol sprays
CFCs (chlorofluorocarbons)
Freon-113
Freon-113
C2F3Cl3
Cl
chlorine
chlorine
refrigeration and aerosol sprays
CFCs (chlorofluorocarbons)
Freon114
Freon114
C2F4Cl2
Cl
chlorine
chlorine
refrigeration and aerosol sprays
halons
CF3Br, CF2BrCl, C2F4Br2
Cl and Br
chlorine and bromine
chlorine and bromine
fire extinguishers
methylchloroform
1,1,1-TCE (trichloroethane)
Cl
chlorine
chlorine
cleaning solvent, widely used as an industrial solvent.
carbon tetrachloride
CCl4
Cl
chlorine
chlorine
fire extinguishers, cleaning solvent, widely used as an industrial solvent for lacquers, varnishes and various organic compounds.
Prepared by YES I Can! Science Team at McMaster University,
for the Canadian Space Agency.
for the Canadian Space Agency.
