Matched context for impurity and vapor

The page lists matched contexts for impurity and vapor.

Share - impurity	Share - vapor	Phrase
4.42%	1.89%	{impurity or vapor} concentration
16.54%	0.27%	remove {impurity or vapor} [perform operation]
4.59%	0.26%	adsorbing [physical/chemical] {impurity or vapor}
5.76%	0.21%	contain {impurity or vapor} [perform operation]
1.47%	1.10%	water {impurity or vapor}
3.81%	0.25%	gaseous [state] {impurity or vapor}
0.76%	0.21%	prevent {impurity or vapor} [perform operation]
2.14%	0.14%	separate {impurity or vapor} [perform operation]