Skip to main content
. 2019 Jun 29;19(13):2890. doi: 10.3390/s19132890

Figure 12.

Figure 12

Amplitude (a) and linear fitting (b) of 2f-WMS Photoacoustic signal measured by optical microphone for different NH3 concentrations. The pressure is set to 1 atm, and the temperature to 296 K.