How to detect of hydrogen sulfide and methane in wastewater by gas chromatography with flame ionization detector (GC-FID)?

We saw one WHO document which says: "Detection limits reported for the analysis of hydrogen sulfide in air (breath) include 10 µg/m3 (GC/FID), 0.2 µg/m3 (spectrophotometry), 1 µg/m3...

05 January 2018 7,192 8 View