Assertion: kraft lignin | /r/HasProperty | standard
Facets:
Source sentences:
text: Figure 3 displays the absorption spectra of the untreated coconut shell, kraft lignin (standard), and regenerated lignins from the ILs.
text: The absorption bands of all of the regenerated lignins were found to be similar to the commercial kraft lignin (standard) and were in agreement with the literature (Sun et al.