Bruker DRX 500
Primary use: multidimensional spectral acquisition of complex samples; ¹H NMR when improved sensitivity or spectral dispersion are needed.

Narrow-bore 11.7 Tesla magnet
Triple-channel: ¹H/¹⁹F, and two broad-banded channels
Gradient pulse capabilities on three orthogonal axes

Probeheads:
(1) 5-mm inverse triple resonance ¹H observe

Decouple ¹³C and one other nucleus from ¹⁰⁹Ag to ³¹P

Actively shielded X, Y, and Z-gradient coils

Temperature range -50 C to +80 C

(2) 5-mm broadband, from ¹⁰⁹Ag to ³¹P with ¹H decoupling

Z gradient

Temperature range -150 C to +150 C

(3) 5-mm ¹H observe

Temperature range -100 C to +150 C

(4) Double-resonance MAS high-resolution solids

Doubly tunable to ¹H or ¹⁹F and one other nucleus from¹⁵N to ³¹P

Configured for multiquantum NMR of quadrupolar nuclei, especially ²⁷Al

5-mm sample rotors

15 kHz maximum spinning speed

Temperature range -100 C to +160 C

Bruker DSX 400

Primary use: high-resolution NMR of solids including quadrupolar nuclei; NMR imaging (i.e., MRI), especially of fluids in solid substrates.

Wide-bore 9.4 Tesla magnet
Three-channel: ¹H/¹⁹F, and two broad-banded channels
40-amp gradient amplifiers (x, y, and z) for micro-imaging
High-power amplifiers (1 kW)
Fast digitizer (12 bit, 10 MHz sampling)

Probeheads:
(1) Micro-imaging

¹H-tuned exchangeable rf coils: 5-, 10-, 20-, 25-mm

100 G/cm gradient strengths on all three channels

Temperature range 0 C to +120 C

Actively shielded gradients

(2) Double-resonance MAS

¹H CP/decoupling with observe from ¹⁵N to ³¹P

4-mm sample rotor

15 kHz maximum spinning speed

Temperature range -150 C to +250 C

Stretch 7-mm stator for long rotors

Bruker DSX 300

Primary use: solid-state NMR; high-resolution and wideline NMR of molecular structure, dynamics and orientation.

Wide-bore 7 Tesla magnet
Two-channel: ¹H/¹⁹F, and one broad-banded channels
High-power amplifiers (1 kW)
Fast digitizer (12 bit, 10 MHz sampling)

Probeheads:
(1) Double-resonance MAS

¹H CP/decoupling with observe from ¹⁵N to ³¹P

7-mm sample rotor

8 kHz maximum spinning speed

Temperature range -150 C to +250 C

(2) Double-resonance, stationary sample

7.5-mm horizontal coil

¹H CP/decoupling with observe from ¹⁵N to ³¹P

Low ¹H and ¹³C background

Temperature range -150 C to +300 C

(3) Wideline

10-mm exchangeable rf coils: ¹⁵N to ²H

5-mm exchangeable rf coils: ²H to ³¹P

5-mm solenoid coil optimized for ²H

Temperature range -150 C to +150 C

Bruker AMX 400

Primary use: high-resolution multinuclear NMR of liquids; ¹H and ¹³C NMR especially of samples where solubility is limited.

Narrow-bore 9.4 Tesla magnet
Two-channel: ¹H and one broad-banded channels
Automatic sample changer for up to six samples

Probeheads:
(1) 5-mm broadband with ¹H decoupling

Temperature range -100 C to +150 C

(2) 10-mm broadband with ¹H decoupling

Temperature range -100 C to +150 C

Varian Mercury Vx 300

Primary use: routine ¹H and ¹³C liquids acquisitions.

5-mm broadband probehead with ¹H decoupling
Temperature range -150 C to +200 C

Varian Mercury Vx 400 (IBB 3325A)

Primary use: routine ¹H, ¹³C, ¹⁹F and ³¹P liquids acquisitions.

5-mm broadband probehead with ¹H decoupling
Temperature range -150 C to +200 C