Table 3. 1H NMR Results of a Sample of 2 mL of 18.7 mM NH4Cl, 40 μL of 1M H2SO4, and 200 μL of DMSO-d6 with Different Pulse Sequences and bi-Waltz65-256pl Decoupling by Using a 10 mm BBO Probe.
| NMR tube size | pluse sequence | decoupling method | S/N | S/N gain |
|---|---|---|---|---|
| 10 mm | zgesgp | No | 3347 | |
| 10 mm | zgesgpig | bi-Waltz65–256pl | 8974 | 2.7 |
| 10 mm | zgesfpgpig | bi-Waltz65–256pl | 10,831 | 3.2 |