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Table 3
Major compounds observed in the residue as a function of initial ice composition and VUV dose.
| Ice composition | VUV dose(h) | Residue(330 K) |
|
|
||
| H2CO:NH3 1:3 | 4 | HMT |
| H2CO:NH3 3:1 | 4 | POM |
| H2O:H2CO:NH3 10:1:3 | 4 | HMT |
| H2O:H2CO:NH3 10:3:1 | 4 | POM |
| H2O:CH3OH:NH3 20:1:1 | 4 | – |
| H2O:CH3OH:NH3 20:1:1 | 12 | HMTa |
| H2CO:NH3 1:3 | 0 | – |
| H2CO:NH3 3:1 | 0 | POM |
| H2CO:NH3:HCOOH 1:6:1 | 0 | HMT |
| H2O:H2CO:NH3:HCOOH 10:1:6:1 | 0 | HMT |
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