Affordable Metal Oxide Gas Sensor as Environmental Friendly Method for Ammonia Gas Measurement

This research report new method for ammonia gas concentration measurement using metal oxide sensor-based instrument. Ammonia gas prepared by diluting concentrated liquid ammonia in water collected in container. Ammonia gas then streamed into monitoring path made by acrylic cube. Ammonia gas concentr...

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Veröffentlicht in:	IOP conference series. Earth and environmental science 2019-11, Vol.366 (1), p.12027
Hauptverfasser:	Fatkhurrahman, J A, Sari, I R J
Format:	Artikel
Sprache:	eng
Schlagworte:	Ammonia Chemical damage Electric potential Gas sensors Liquid ammonia Metal concentrations metal oxide sensor Metal oxides Microelectromechanical systems MICS 5524 Nondestructive testing Sensors SNI 19-7117.6-2005 Voltage
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Zusammenfassung:	This research report new method for ammonia gas concentration measurement using metal oxide sensor-based instrument. Ammonia gas prepared by diluting concentrated liquid ammonia in water collected in container. Ammonia gas then streamed into monitoring path made by acrylic cube. Ammonia gas concentration measured as voltage from MEMS MICS 5524 sensor, then with ESP 8266 based iOT module logged into google sheet. Correlation between voltage and ammonia gas concentration evaluated by linearity test, compare with SNI 19-7117.6-2005 standard method and resulted more than 0,9 liniearity. This measurement totally nondestructive test, it carries no chemical agent could damage environment.
ISSN:	1755-1307 1755-1315
DOI:	10.1088/1755-1315/366/1/012027