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halogenated alkane [Global Index]
ARTICLE-Annex_I: Research and systematic observations [go to this ARTICLE]
... (i) Fully halogenated alkanes, e.g. CCl4, CFCl3 (CFC-11), CF2Cl2 (CFC-12), C2F3Cl3 (CFC-113), C2F4Cl2 (CFC-114)
...
... Fully halogenated alkanes are anthropogenic and act as a source of Cl0x which plays a vital role in ozone photochemistry, especially in the 30-50 km altitude region. ...
... (ii) Partially halogenated alkanes, e.g. CH3Cl, CHF2Cl (CFC-22), CH3CCl3, CHFCl2 (CFC-21)
- The sources of CH3Cl are natural, whereas the other partially halogenated alkanes mentioned above are anthropogenic in origin. These gases also act as a source of stratospheric Cl0x.
... The sources of CH3Cl are natural, whereas the other partially halogenated alkanes mentioned above are anthropogenic in origin. These gases also act as a source of stratospheric Cl0x. ...
... Fully halogenated alkanes, e.g. CF3Br ...