Probe for detecting and dosing molecular oxygen by means of elec

Details Probe for detecting and dosing molecular oxygen by means of elec Probe for detecting and dosing molecular oxygen by means of elec

1993-09-02

1996-04-02

Arana, Louis M.

Electricity: measuring and testing

Particle precession resonance

324316, G01V 300

Patent

active

055044298

ABSTRACT:
A probe for detecting and dosing molecular oxygen by the electronic paramagnetic resonance spectrometry of a sample of lithium phthalocyanine in contact with the atmosphere to be tested. The probe includes a fixed glass tube with the shape of a hairpin, traversed by a flow of an atmosphere to be tested. The top of the tube contains a chamber with porous walls traversed by the flow of the atmosphere to be tested. The chamber contains the phthalocyanine sample and is surrounded by the spires of an electronic resonance detector trip coil. A movable magnet surrounds the tube and is provided with windings to create a continuous field for polarizing the phthalocyanine sample.

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Synthetic Metals, vol. 52, No. 1, Sep. 15, 1992, pp. 57-69, F. Bensebaa, et al., "The Effect of Oxygen on Phthalocyanine Radicals II. Comparative Study of Two Lithium Phthalocyanine Powder Derivates by Continuous and Pulsed ESR".
Magnetic Resonance in Medicine, vol. 20, No. 2, Aug. 1, 1991, pp. 333-339, H. M. Swartz, et al., "Measurements of Pertinent Concentrations of Oxygen in Vivo".
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