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Specifications of Bruker Avance
800 and 600 MHz NMR Spectrometers
Magnet
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| Description |
Specification for Avance 800 |
Specification for Avance 600 |
| Drift of field |
2.33 Hz/h |
5 Hz/h |
| Lineshape @ 0.55%/0.11%,without lock (ns = 8,over 8 h) |
Hump = 13.3 Hz / 24.7 Hz |
| Liquid Helium |
260 liters holding for >58 days |
60 liters holding for >50 days |
| Temperature of liquid helium |
1.92-1.93 K |
4.2 K |
| Liquid Nitrogen |
230 liters holding for > 12 days |
160 liters holding for >13 days |
TXI probe
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| Experiment description |
Specification for Avance 800 |
Specification for Avance 600 |
| Sensitivity of 1H |
1879:1 or 1746:1 for CH2 group |
908:1 |
| Sensitivity of 13C |
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| Sensitivity of 15N |
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| Lineshape without rotation @ 0.55%/0.11% |
Hump = 6.9 Hz / 13.5 Hz |
6.7 Hz / 11.7 Hz |
| Lineshape with rotation @ 0.55%/0.11% |
Hump = 5.0 Hz / 6.9 Hz, spinning sideband height = 0.4% |
4.5 Hz / 7.6 Hz, Spinning sideband height = 0.1% |
| Resolution of 1H |
0.46 Hz |
0.42 Hz |
| Water suppression |
Hump = 40.8 / 80.5 Hz @ pl9 = 50 dB, Splitting = 24%, Sino = 467 |
92.8 / 160.3 Hz @pl9 = 54dB,Splitting = 22%, Sino = 173 |
| 1H 90 degree pulse width of high power |
9us @ -3dB, 19 Watts |
8us @ -1.2 dB |
| 13C high power decoupling pulse |
10.2us @ -6dB, 480 Watts |
12.3 us @ -4 dB |
| 13C low power decoupling pulse |
75 us @ 13 dB |
65 us @ 12 dB |
| 15N high power decoupling pulse |
30 us @ -6 dB, 480 Watts |
38 us @ -2.8 dB |
| 15N low power decoupling pulse |
190 us @ 11.2 dB |
200 us @ 12 dB |
QXI probe
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| Experiment description |
Specification for Avance 800 |
Specification for Avance 600 |
| Sensitivity of 1H |
1157:1 or 1336:1 for CH2 group |
943:1 or 1040:1 for CH2 group |
| Sensitivity of 13C |
90 |
125 for 10% EB in CDCl3 |
| Sensitivity of 15N |
14 |
| Sensitivity of 31P |
45 |
92 for 0.0485 M TPP in acetone-d6 |
| Lineshape without rotation @ 0.55%/0.11% |
6.2 Hz / 10.1 Hz |
5.0 Hz/11.9 Hz |
| Lineshape with rotation @ 0.55%/0.11% |
3.7 Hz / 7.0 Hz; Spinning sideband height = 0.4% |
| Resolution of 1H |
0.48 Hz |
0.72 Hz |
| Water suppression |
Hump = 45.8 Hz / 88.7 Hz @ pl9 = 55 dB, Resolution = 23%, Sino = 305 |
Hump = 29.1Hz/42.6 Hz @ pl9=58 dB, Resolution=16%, Sino=202 |
| 1H high power decoupling pulse |
9.5 us @ -4 dB, 20 Watts |
| 1H low power decoupling pulse |
35 us @ 15 dB |
| 13C high power decoupling pulse |
15.2 us @ 0 dB, ? Watts |
| 13C low power decoupling pulse |
73us @ 13 dB |
| 15N high power decoupling pulse |
25us @ -5dB, 480 Watts |
| 15N low power decoupling pulse |
190 us @ 13.5 dB |
| 31P high power decoupling pulse |
25 us @ 2.3 dB, 120 Watts |
The Sensitivity comparisons of the first FIDs of
2D and 3D experiments on Bruker Avance 800 and 600
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