Assertion: phosphoric acid | /r/HasProperty | laine
Facets:
Source sentences:
text: The absorption in this region is usually found in oxidized carbons (Zawadzki 1989; Vinke et al. 1994) and carbons treated with phosphoric acid (Laine and Calafat 1991; Jagoyen et al. 1992; Vinke et al. 1994; Solum et al. 1995; MacDonald and Quinn 1996).