King-Armstrong Unit

**Semantic type:** Quantitative Concept

**Definition:** A measure of alkaline phosphatase concentration in blood, defined as amount of phosphatase that releases 1 mg phenol from disodium phenylphosphate at pH 10 and 37 degrees Celsius in 15 minutes.

**Synonyms:** - King Armstrong Unit - King Armstrong unit - King-Armstrong unit - [ka'U] - [ka'U] - [ka'U] - ka'U