Assertion: gallic acid's property | /r/HasProperty | investigated by n 2 physisorption
Facets:
value: at 77 k
type: LOCATION
Source sentences:
text: The microporous properties were investigated by N 2 physisorption at 77 K and the surface oxygen groups created on the surface of the carbon by oxidation were characterized by Fourier Transform Infrared Spectroscopy (FTIR).