Infrared Absorption Spectrum
Absorption of infrared radiation by H2O2 is relatively weak. For reference, the principal absorption bands for water are: 0.85, 0.98, 1.18, 1.46, 1.98, 2.97, and 6.1 m.
For liquid H2O2:
| Wavelength μ |
Wave Number cm-1 |
Intensity |
Temp, °C |
| 18.2 |
550 |
very weak |
|
| 15.8 |
635 |
medium |
-30 |
| 11.4 |
880 |
weak |
|
| 7.4 |
1350 |
medium |
|
| 4.85 |
2000 |
very weak |
|
| 4.4 |
2300 |
very weak |
|
| 3.6 |
2780 |
medium |
|
| 3.6 |
2796 |
medium |
|
| 3.48 |
2864 |
medium |
|
| 2.93 |
3418 |
strong |
|
| 2.3 |
4290 |
very weak |
20 |
| 2.1 |
4720 |
very weak |
|
| 1.6 |
6100 |
very weak |
20 |
| 1.5 |
6700 |
weak |
|
| 1.5 |
6805 |
very weak |
20 |
| 1.2 |
8040 |
very weak |
20 |
| 1.01 |
9900 |
weak |
|
| 0.77 |
13000 |
weak |
12, 55 |