500 MHz TWO CHANNEL NUCLEAR MAGNETIC RESONANCE (NMR) SPECTROMETER comprising:
(a) An ultra-shielded narrow bore (54mm) superconducting magnet, a stand with vibration damping facility ( ̴4Hz) and a system for liquid helium with a hold time of at least 150 days
(b) A shim/lock system with lock control and lock receiver
(c) A frequency generator (6-600 MHz)
(c) A shim/lock system with lock control and lock receiver
(f) Appropriate workstation and software license
(g) Temperature Controller (to T ≥ -100 ̊C) (-150 ̊C to +150 ̊C probe dependant)
Electronics console for use with existing triple-channel 400 MHz system comprising a 9.39 T magnet, probe heads and temperature controller, this comprises:
(a) Shim/Lock System
(b) Frequency Generator. Frequency and pulse generation for two channels operating in the range 6-430 MHz. Specifications as for the 500 MHz system. Additional frequency channel 6-640 MHz.
(c) Transmitter/Receiver System. Two amplifiers operating in the range 14-400 MHz for observation or decoupling. Pulse power ¹H maximum 50 W, pulse power ¹³C maximum 135 W. Computer controlled indirect detection facility, quadrature detection. Additional transmitter.
(d) Preamplifier. ¹H and two broadband preamplifiers, plus additional ¹⁹F preamplifier. QNP control module.
(e) Gradient Facility. Z-gradient electronics, control unit and amplifier
(f) Broadband 5mm probe head for observation of nuclei from ³¹P to ¹⁵N and observation of ¹H and ¹⁹F (with ¹H decoupling). Z-gradient facility and automated tuning and matching (BBFO plus).
(g)Triple resonance inverse broadband 5mm probe head with extension to ¹⁰³Rh.
(h) Temperature controller for stable and precise heating (temperature dependent on probe)