DRX-499 has remained, for many years, the mainstay 500 MHz spectrometer for most of the research work using NMR in the department. It continues to be a popular spectrometer that is very reliable and stable. It is used for multinuclear 1D as well as 2D spectra acquisition.
Features
- Bruker Avance DRX series instrument
- 1H Frequency: 499.85 MHz
- 2H field-frequency lock system
- MAGNET and Shim system
- Oxford narrow bore (53mm) Cryomagnet
- BOSS2 shim system
- 28 RT shim gradients
- BSMS/2 keyboard
- Bruker vibration damper system included (doughnut type)
- Host Operating System: RedHat ELv4
- VT range: -10C to +50C default range ; with LN2 cooling one can reach -150C (depending on the probehead used)
- RF Section
- Three channels (FCU1, FCU2 and FCU3)
- Dual (50 W 1H + 300W X) BLAXH50 amplifier
- Dedicated 300W BLAX300RS amplifier for third channel
- System is equipped with QNP switch accessory to perform 19F {1H} double resonance experiments.
- HPPR/2 2H-STOP preamplifier.
- Pulse shaping capability to design shaped and shifted RF pulses and gradient pulses.
- Digital
- Digital quadrature detection
- 5 MHz sampling rate ADC
- Accustar XYZ gradient amplifier that can generate a maximum of 65 Gauss/cm field gradients is part of the system.
- Gradient assisted shimming can be performed with available software in XWINNMR 2.6
- Software
Available Probes
Bruker multinuclear inverse BBI : 1H {X} with Z-gradient (primary probe)
Bruker triple resonance HCP : 1H { 13C, 31P } with XYZ-gradients
Department of Chemistry