Acid: nm The term acid designates both a substance, a chemical function and a taste sensation.
- Chemistry: For chemists, a substance is acid if, when dissolved in water, it releases hydrogen ions. The degree of acidity is defined by the hydrogen potential (pH), whose scale varies from 0 (very acidic) to 14 (very alkaline); Pure water at 23°C is neutral with a pH of 7.
Some foods contain so-called "weak" organic acids (compared to...
You must be a subscriber to read the rest of this article.
If you already have a current subscription, please log in using the form below.
Otherwise you can subscribe here.