| 摘要 |
PROBLEM TO BE SOLVED: To provide a method and device for measuring nitrogen in gases capable of continuously and highly sensitively measuring the concentration of nitrogen without disposing of sample gases. SOLUTION: As wavelengths for measuring the concentration of nitrogen according to the intensity of light which occurs by discharge, at least one of 215±2 nm, 226±2 nm, 238±2 nm, 242±2 nm, 246±1 nm, 256±2 nm, 260±2 nm, 266±2 nm, 271±1 nm, 276±4 nm, 285±2 nm, 294±1 nm, and 300±2 nm is used.
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