Page 91 - Pharmaceutical Analytical Chemistry III

[3] HYDROGEN SULPHIDE IN WATER :

❑* SOURCES & SIGNIFICANCE :
- Drinking water is not allowed to contain any hydrogen

sulfide due to its toxicity (Thiohaemoglobin).
- Hydrogen sulphide occurs in water supplies as a result

of bacterial and/or chemical processes.

rotting vegetation anaerobic
or organic matter ⎯⎯⎯⎯⎯⎯→ H2S (bad odor)

condition