Fluorinated aromatic hydrocarbon polymer capillary tube gas-permeable membrane sample cell, measuring device and measuring method thereof
A technology of fluorinated aromatic hydrocarbons and sample cells, which is applied in the direction of measuring devices, color/spectral characteristic measurement, instruments, etc., can solve the problems of low precision and slow response, and achieve fast response, high sensing sensitivity and large dynamic range Effect
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[0043] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0044] As shown in the figure, a CO 2Teflon AF2400 capillary gas permeable membrane sample cell for partial pressure measurement, which includes quartz optical fiber 1, quartz optical fiber 14, optical-liquid coupler 2, optical-liquid coupler 12, Teflon AF2400 capillary 8, sleeve 6, watertight cylinder 5, watertight cylinder 11, fastening screw sleeve 4, fastening screw sleeve 10, indicator tube 3, indicator tube 13 and sample tube 7, sample tube 9.
[0045] The watertight cylinder 5 is installed in the cylindrical groove at the left end of the casing 6 and fixed by the fastening screw sleeve 4. The watertight cylinder 11 is installed in the cylindrical groove at the right end of the casing 6 and fixed by the fastening screw sleeve 10. The watertight cylinder An O-ring is installed between the cylindrical groove and the casing for axial wate...
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