Sulfur dioxide analyzer and analyzing method based on ultra-violet light-emitting diode
A technology of light-emitting diodes and sulfur dioxide, which is applied in the direction of material analysis, analysis materials, and instruments by optical means, can solve the problems of inability to use online monitoring, poor measurement accuracy, and low measurement accuracy, and achieves the solution of eliminating cross-contamination and avoiding errors. Effect
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[0035] The present invention will be described in further detail below in conjunction with the embodiments and with reference to the accompanying drawings.
[0036] like figure 1 As shown, a kind of sulfur dioxide analyzer based on ultraviolet light-emitting diode, including ultraviolet light-emitting diode 1, absorption cell 3, spectrometer 5 and a computer 6 connected to the spectrometer 5 through USB, the two sides of the absorption cell 3 are respectively provided with corresponding parallel The incident window 304 and the outgoing window 302 that transmit ultraviolet light, the absorption cell 3 is also provided with an air inlet 301 and an exhaust port 303; The ultraviolet light emitted by the ultraviolet light-emitting diode 1 is introduced into the incident optical fiber 2 of the absorption cell 3 from the incident window 304, and the two ends of the incident optical fiber 2 are respectively provided with a collimator 201 and 202; Between the spectrometers 5 is connec...
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