A measure of how acidic a solution may be. A solution with a pH of less than 7.0 is considered acidic. Solutions with a pHof less than 4.5 contain mineral acidity (due to strong inorganic acids), while a solution having a pH greater than 8.3 contains no acidity.
Important Notice: Limited Web Access Dec 16 to 18, 2016
AIChE will undertake a routine upgrade of our digital infrastructure over the weekend of December 16-18, 2016. During this period access to certain areas of the website will be limited. Additional information will be forthcoming shortly.