Assertion: citric acid | /r/HasProperty | studied as cross-linking agent
Facets:
value: for wood
type: PURPOSE
Source sentences:
text: In addition, citric acid has also been studied as a cross-linking agent for wood (Vukusic et al. 2006; Hasan et al. 2007), starch (Reddy and Yang 2010), and as an absorber for heavy metal ions (Thanh and Nhung 2009).