Matched context for ammonium and calcium

The page lists matched contexts for ammonium and calcium.

Share - ammonium	Share - calcium	Phrase
47.97%	10.93%	{ammonium or calcium} hydroxide
7.45%	6.27%	{ammonium or calcium} carbonate
3.90%	2.71%	{ammonium or calcium} salt
4.17%	1.66%	{ammonium or calcium} chloride
3.77%	1.57%	{ammonium or calcium} compound
0.25%	0.30%	include {ammonium or calcium} [perform operation]