Answer to Question #32784 in Inorganic Chemistry for STHYA
WHICH ABSORBS THE NITROGEN FROM OXIDES OF NITROGEN OR ABSORBS TOTALLY OXIDES OF NITROGEN IN EASY WAY
Any surface is to some extent able to absorb gases. Thus, a small amount of nitrogen oxides will settle on any of your sorbent at any temperature. But in order to get nitrogen from oxides to settle on your sorbent you need to heat it up to the decomposition temperature, which you can find on the Internet.