| 1. | Sorbent tubes are attached to air sampling pumps for sample collection.
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| 2. | Chemicals are trapped onto the sorbent material throughout the sampling period.
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| 3. | "Break both ends of sorbent tube using sorbent tube breaker.
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| 4. | "Break both ends of sorbent tube using sorbent tube breaker.
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| 5. | Solid sorbents are selected for sampling specific compounds in air because they:
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| 6. | The arrow on the sorbent tube indicates air flow towards the pump.
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| 7. | Solutions : Several options to reduce sorbent deactivation are currently being researched.
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| 8. | Zeolites are also widely used as catalysts and sorbents.
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| 9. | Sorbent particles may be hydrophobic or polar in nature.
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| 10. | The amount of adsorbed gas depends on pressure, temperature and sorbent type.
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