Flue gas analysis and measurement method implemented through ultraviolet spectrum
A flue gas analysis and measurement method technology, which is applied in the field of ultraviolet spectrum flue gas analysis and measurement, can solve the problems of low absorption line intensity, unfavorable measurement, high cost of tunable laser, etc., and achieve the effect of ensuring accuracy and stability
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[0017] The method for measuring flue gas by ultraviolet spectrum is characterized in that: comprising a gas chamber and a spectrometer, the operation is carried out according to the following steps,
[0018] a. Introduce the gas to be measured with the concentration X into the gas chamber with the optical path L;
[0019] B, utilize the spectrometer to measure and obtain Ii (λ), Ii (λ) represents the light intensity of the gas to be measured that the i-th gas passes through the gas whose concentration is X and the optical path is L;
[0020] c. I0(λ) is obtained through experimental measurement, and I0(λ) represents the incident light intensity at the wavelength of λ;
[0021] d. According to the calculation principle of the absorption cross-section, it is the Beer-Lambert law, and σi(λ) is calculated. The formula is Ii(λ)=I0(λ)exp{-L*σi(λ)*X},
[0022] Among them, I0(λ) represents the incident light intensity at the wavelength of λ, Ii(λ) represents the light intensity of th...
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