Hydrogen sulfide production is assayed by growth in a medium containing ferric iron (Fe³⁺).

Name: Hydrogen sulfide production is assayed by growth in a medium containing ferric iron (Fe³⁺).
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Hydrogen sulfide production is commonly assayed by growth in a medium containing ferric iron, which reacts with H2S to form a black precipitate of ferrous sulfide (FeS). This is a common test used in microbiology for the identification of sulfur-reducing bacteria.

Hydrogen Sulfide Production Is Assayed by Growth in a Medium