I'm trying to implement a H2S (hydrogen sulfide) measurement for thermal water in an in situ sample collection by an environmental microbiology and microbial ecology laboratory. I need to stabilize the H2S in the water sample to measure the H2S levels later. Due to the higly volatility of H2S, I'm evaluating (and understand the theory of) the methods of blue methylene or diamine; but I don't know the practical limitations for an in situ sampling neither what is the proper container for water with volatile H2S.
