pH is a measure of the hydrogen ion (H+) activity in a solution and, therefore, its acidity or alkalinity. Values for some common bases:

pH is a measure of the hydrogen ion (H+) activity in a solution and, therefore, its acidity or alkalinity.

Values for some common bases:

Base	Normality	pH
Ammonia	N	11.5
Ammonia	0.1 N	11.1
Ammonia	0.01 N	10.6
Barbital sodium	0.1N	9.4
Borax	0.01 N	9.2
Calcium carbonate	saturated	9.4
Calcium hydroxide	saturated	12.4
Ferrous hydroxide	saturated	9.5
Magnesia	saturated	10.5
Lime	saturated	12.4
Potassium acetate	0.1N	9.7
Potassium bicarbonate	0.1N	8.2
Potassium carbonate	0.1N	11.5
Potassium cyanide	0.1 N	11.0
Potassium hydroxide	N	14.0
Potassium hydroxide	0.1 N	13.0
Potassium hydroxide	0.01 N	12.0
Sodium acetate	0.1N	8.9
Sodium benzoate	0.1N	8.0
Sodium bicarbonate (baking soda)	0.1 N	8.4
Sodium carbonate (washing soda)	0.1 N	11.6
Sodium hydroxide (caustic soda)	N	14.0
Sodium hydroxide	0.1 N	13.0
Sodium hydroxide	0.01 N	12.0
Sodium metasilicate	0.1 N	12.6
Sodium sesquicarbonate	0.1 N	10.1
Trisodium phosphate	0.1 N	12.0