From literature, I read the use of using acid to trap Ammonia. Any help for detailed explanations for this?
Gaseous ammonia is converted in acid solutions into the soluble ammonium ion.
This principle is also used in the Kjeldahl determination of nitrogen.
Try Saraz Method for Determination of Ammonia emissions (SMDAE), which consists of a passive diffusion collector, based on a polyurethane sponge whose function is to absorb the gaseous NH3 emitted http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0012-73532013000200007
Kindly check https://iopscience.iop.org/article/10.1088/1755-1315/113/1/012022/pdf
About the acid trap you mentioned, we followed the method proposed by Goldman & Jacobs (1953). We used a sulfuric acid solution that traps the gaseous NH3, which is pumped by a continuous airflow. After the measurement time has elapsed, the acid solution that has captured NH3 is collected and analyzed by Kjeldahl method.
The current study has indicated the NH3 emission from bovine slurry, pig slurry and ammonium nitrate fertilizer after application on two soils. Two different methods were used to measure NH3 emissions: the method that use acid traps and the method that use photoacoustic infrared gas analyzer.
Thank you all Faraed Salman Esperanza Fuertes Chinaza Godswill Awuchi C.A. (Kees) Kan.
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