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. 2012 Jun 11;12(6):8055–8072. doi: 10.3390/s120608055

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© 2012 by the authors; licensee MDPI, Basel, Switzerland.

This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).

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Figure 3. — Measurement setup: 1. Nitrogen bottle; 2. Mass Flowmeter Controller; 3. Dreschel bottle with sample; 4. Thermostatic bath; 5. Tekmar 3100 purge and trap; 6. Sensors cell; 7. Digital multimeter; 8. Multiplexer; 9. Computer.