Assertion: organosolv lignin | /r/HasProperty | sulphur-free
Facets:
Source sentences:
text: The data in Table 1 confirm the high purity of OL, whereas the elemental analysis data (0.22 wt% nitrogen, 68.12 % carbon, 6.39% hydrogen, and 25.22% oxygen) indicated that the organosolv lignin was sulphur-free.
text: Organosolv lignin is free of sulphur, and the molecular weight is low compared with other lignin production methods, generally around 5 kDa.