CPC G01N 21/3518 (2013.01) [G01N 33/0044 (2013.01); G01N 2021/3595 (2013.01); G01N 2201/1247 (2013.01)] | 20 Claims |
1. A Fourier transform infrared spectrometry system for measuring hydrogen sulfide, comprising:
a source for generating light;
an interferometer for receiving the light;
a sample cell containing a gas sample;
a detector for detecting the light after passing through the sample gas; and
a bandpass filter for filtering light prior to being detected by the detector, the light transmitted by the bandpass filter detected by the detector including 3,700 cm−1 and/or 2,700 cm−1.
|