Hydrogen Sulphide (H2S)

Hydrogen Sulphide (H2S) Hydrogen sulphide (H2S) is one of the most toxic of all naturally occurring gases. It occurs world-wide in various concentrations in the scope of the drilling industry. It is explosive and heavier than air. In small concentrations it has an offensive rotten egg odour while greater concentrations can paralyse the olfactory nerves so no odour is detected. When ignited it burns with a blue flame producing sulphur dioxide (S02) which also can cause serious injury.

PPM of H2S


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