Matched context for sulfur and impurity

The page lists matched contexts for sulfur and impurity.

Share - sulfur	Share - impurity	Phrase
0.96%	16.54%	remove {sulfur or impurity} [perform operation]
1.32%	5.76%	contain {sulfur or impurity} [perform operation]
0.13%	2.18%	liquid [state] {sulfur or impurity}