Figure 6.
(a) Response of α-Fe2O3 sensor as a function of NO2 conc. at 200 °C. (b) Calibration curve.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.