Acid: A substance that increases the number of hydrogen ions in a solution.
Omega-3 Fatty Acids: Fatty acids which may have health benefits including protection against heart disease, asthma, cancer, arthritis and other disorders.
Linolenic Acid: An essential fatty acid.
Salicylic Acid: Organic carboxylic acid with crystalline configuration also known as Beta Hydroxy Acid (BHA), used as a food preservative, but also in the treatment of eczema due to its properties of dissol . . . View Full Definition
Hydroxy Acids: Substances penetrating the epidermis and upper dermis aiming to slough dead skin cells, used as anti-aging and anti-wrinkle ingredient in skin care products, the large cosmetic market based . . . View Full Definition
Acid Anhydride: Nonmetallic oxides or organic compounds that react with water to form acids. For example, SO2, CO2, P2O5, and SO3 are the acid anhydrides of sulfurous, carbonic, phosphoric, and sulfuric aci . . . View Full Definition
Acid Dissociation Constant: (Ka) acid ionization constant. Compare with base hydrolysis constant. The equilibrium constant for the dissociation of an acid into a hydrogen ion and an anion. For example, the acid dissoci . . . View Full Definition
Acetic Acid: (CH3COOH, HC2H3O2) ethanoic acid; vinegar acid; methanecarboxylic acid. A simple organic acid that gives vinegar its characteristic odor and flavor. Glacial acetic acid is pure acetic acid.
Hydrochloric Acid: Stomach acid.
Acid Error: A systematic error that occurs when glass pH electrodes are used in strongly acidic solutions. Glass electrodes give pH readings that are consistently too high in these solutions.