Assertion: lignin's purity | /r/HasProperty | high
Facets:
Source sentences:
text: The lignin produced with medium molecular weight (2190 g/mol) and high purity (contaminated sugar content 0.6%) was a good substrate for further application as chemicals.
text: The pretreatment results showed that the obtained lignins, derived from both procedures, were of high purity (>82 wt%).
text: Organosolv lignin has a high purity and is sulphur-free (Wang et al. 2009).