Sample head for flowthrough NMR spectroscopy

Details Sample head for flowthrough NMR spectroscopy Sample head for flowthrough NMR spectroscopy

1992-01-17

1993-11-02

Tokar, Michael J.

Electricity: measuring and testing

Particle precession resonance

Spectrometer components

G01R 3320

Patent

active

052587126

ABSTRACT:
The invention concerns head for flowthrough NMR spectroscopy in which there is provided, in the interior of a vessel, a replaceable quartz cuvette which can be separated from the vessel, and eluent inflow and outflow tube, and a measurement coil, and which has end sections which seal with respect to the vessel.
The parts constituting the vessel, namely a cylindrical glass casing, a cover, and a base, as well as the replaceable quartz cuvette, can be clamped together with a simple clamping device in such a way that the sample head according to the invention can also be used for high pressure, such as those which occur with SFC (supercritical fluid chromatography) NMR measurements.

REFERENCES:
patent: 3764892 (1973-10-01), Rollwitz
patent: 3789060 (1974-01-01), Goering et al.
patent: 3915641 (1975-10-01), Goering et al.
patent: 3931569 (1976-01-01), Hyde
patent: 4201941 (1980-05-01), Fyfe et al.
patent: 4246537 (1981-01-01), Laukien
patent: 4411789 (1983-10-01), Liburdy
patent: 5179338 (1993-01-01), Laskaris et al.
Rev. Sci. Instrum. 56(4), Apr. 1985, pp. 603-606, van der Putten et al.: Low-temperature, high-pressure apparatus for nuclear-magnetic-resonance experiments.

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