A Method for the Determination of Volati
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H.G. Westra; J.E. van Doorn; R.G. Tigchelaar; J.A. Berden
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Article
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2001
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Elsevier Science
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English
⚖ 73 KB
A quick, cheap, and accurate method for the determination of ammonia in air is described. Ammonia and water vapor are trapped simultaneously in a gas sampling tube cooled in liquid nitrogen. Subsequently ammonia is derivatized with o-phthaldialdehyde and determined using fluorescence detection. The