Abstract

The equipment is based on the Peltier effect and is designed for thermostatic control of a sample for a nuclear magnetic resonance (NMR) spin-echo spectrometer with a pulsed magnetic field gradient for both relaxation and diffusion measurements within a temperature range −20 °C to +70 °C. A special thermostatically controlled nozzle on the NMR probe enables simultaneous thermostatic control of several samples at a given temperature and to transfer the samples in turn into the NMR probe measuring circuit without contact with the ambient atmosphere. The equipment consists of three independent units connected to the NMR probe and fits modern small-sized NMR spin-echo spectrometers, making NMR experiments significantly cheaper and more efficient.

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