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Probes

Diff50

The Diff50 gradient system is a high-power gradient system for diffusion applications in wide bore magnets, optimized for very strong gradient pulses and fast switching times.

The Diff50 high power MR Diffusion  probe provides exchangeable single or double tuned frequency inserts. The Diff50 offers the highest gradient strength available at Bruker for diffusion coefficient measurements down to 5x10-15 m2/s (under specific conditions). The sample can be temperature controlled between -40°C and +80°C, probe body and coils (<= 8mm) are compatible with the Micro5 probe. 

Often double tuned rf coils with 2H on the outer coil are selected to allow for locked or TopShim applications. In this configuration, only one nucleus is available for the NMR experiments.

Features

  • Wide Bore Probe, also compatible to SWB magnets
  • Gradient strength of up to 30 T/m, water cooled
  • Exchangeable rf inserts (compatible to micro5 except 10 mm coils)
  • Rf Inserts
    - 5, 8, and 10 mm single tuned coils
    - 5 and 8 mm double tuned coils
  • Sample transfer via SB-BST
  • Variable Temperature Control (compatible to BSVT, BCU,…)
  • Compatible with WB shim system

Applications

Polymer Weight Distribution measured by PGSE NMR

The molecular weight distribution (MWD) and the polydispersity index (PDI) are important numbers for characterizing polymers.
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A signature of non-Gaussian diffusion in porous systems

A signature of non-Gaussian diffusion in porous systems

Diffusion is ubiquitous in porous systems and NMR may provide essential information about the underlying complex microstructure non-invasively. However, the interpretation of the NMR signal and its connection to the presence of non-Gaussian footprints or several Gaussian compartments is intricate.
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An Affordable Lithium Superionic Conductor

Li₁₀SnP₂S₁₂: An Affordable Lithium Superionic Conductor

State-of-the-art lithium-ion batteries utilize liquid electrolytes consisting of LiPF₆ dissolved in flammable alkyl carbonates. These electrolytes exhibit a high ionic conductivity around 10 mS/cm at room temperature and a lithium transference number of ∼0.35.
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Specifications

Diff50      
Bore     WB / SWB
1H frequency range 300 – 800 MHz
rf channels Two independent
Requirements Diffusion / Microscopy Accessory
Gradient     Diff50           
Directions     z    
Gradient strength per direction 30 T/m
ID/OD 19/57 mm
Rise Time (5-95%), 0-60A,120V < 500 µs
Cooling     Water    
Maximum current tested 60 A
Removable     Yes    
Exchangable rf coils  
Detection     single tuned, double tuned
Typical Nuclei 1H, 2H, 6Li, 7Li, 13C, 19F, ...
Standard sample temperature range (5 mm) -40°C - 80°C
Sample diameter 5 - 10 mm

Accessories

  • Diff Software Application Package
  • Dynamic Center  for data processing

LabScape

Service & Life Cycle Support for Magnetic Resonance and Preclinical Imaging

Bruker’s commitment to provide customers with unparalleled help throughout the buying cycle, from initial inquiry to evaluation, installation, and the lifetime of the instrument is now characterized by the LabScape service concept.

LabScape Maintenance Agreements, On-Site On-Demand and Enhance Your Lab are designed to offer a new approach to maintenance and service for the modern laboratory

Contact Expert

MR microscopy & MR diffusion applications team: micdiff@bruker.com