Table 1 Longitudinal relaxation rates R1 for gaseous H2O (samples 1 to 4) and gaseous HDO (sample 5) at 800 MHz and at different temperatures and pressures.
From: Collisional cross-section of water molecules in vapour studied by means of 1H relaxation in NMR
Samples | H2O in H2O | HDO in D2O | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
1 | 2 | 3 | 4 | 5 | ||||||
T (K) | p (kPa) | R1 (s−1) | p (kPa) | R1 (s−1) | p (kPa) | R1 (s−1) | p (kPa) | R1 (s−1) | p (kPa) | R1 (s−1) |
353 | 9 | 73 ± 9 | 15 | 79 ± 9 | 34 | 57 ± 5 | 47 | 54 ± 7 | 47 | 57 ± 8 |
363 | 10 | 72 ± 9 | 18 | 80 ± 7 | 42 | 52 ± 6 | 69 | 43 ± 6 | 69 | 42 ± 5 |
373 | 11 | 79 ± 9 | 21 | 80 ± 7 | 60 | 40 ± 6 | 101 | 36 ± 7 | 101 | 31 ± 3 |
