Science / Chemistry / 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 dissociation constant for acetic acid is the equilibrium constant for HC2H3O2(aq) doublearrow H+(aq) + C2H3O2-(aq), which is Ka = [H+][C2H3O2-]/[HC2H3O2].
Constant Noun Synonyms: resolute, immovable, steadfast, firm, dependable, unshakeable or unshakable, determined, unswerving, undeviating, persevering, unwearying, unwearied, untiring, indefatigable, tireless, unflagging, unwavering, unfailing, unfaltering, persistent, loyal
Constant Adjective Synonyms: incessant, unceasing, ceaseless, perpetual, persistent, uninterrupted, steady, regular, invariable, unremitting, unvarying, relentless, unrelenting, continuous, continual, unending, endless, never-ending, non-stop, perennial, eternal, everlasting
Health / Vitamins / Hydrolyzed Ascorbic Acid: Substance deeply absorbed into skin cells stimulating collagen synthesis, it works as a powerful antioxidant, used in revitalizing skin care products. MORE
Health / Vitamins / 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 on hydroxy MORE