Page 267 - Applied Pharmacognosy
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8- Application of GC in environmental analysis
Analysis of various classes of persistent organic contaminants(pollutants)
in air, water, soils, sediments and biota.
1-Volatile Organic Compounds (VOCs)
e.g. BTEX: ( Benzene, Toluene, Ethylbenzene& Xylene)
Source: leakage of petrol and diesel fuel.
Effect: toxicity on CNS.
Organic sulphides & volatile fatty acids (C2-C5):
Source: factories waste.
Effect : malodours
2 Polycyclic Aromatic Hydrocarbons (PAHs)
3 Pestcides & Halogenated compounds
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