Assertion: treated lignin | /r/HasProperty | free of bound sulfur
Facets:
value: organically
type: MANNER
value: essentially
type: MANNER
Source sentences:
text: The ozone treated lignin, which is essentially free of organically bound sulfur, is also unique in its high temperature stability, retaining its surface active properties at elevated temperatures which cause breakdown of sulfonated lignins and other sulfur-containing lignin-derived dispersants.