Tetraphenylborate

**Definition:** An anionic compound that is used as a reagent for determination of potassium, ammonium, rubidium, and cesium ions. It also uncouples oxidative phosphorylation and forms complexes with biological materials, and is used in biological assays.

**Tree numbers:** - D02.203.087.050.750

**Synonyms:** - Kalignost - Tetraphenylboron