sodium tetraphenylborate

sodium tetraphenylborate

[′sōd·ē·əm ¦tre·trə¦fen·əl′bȯr‚āt] (organic chemistry) [(C6H5)4B]Na A snow-white, crystalline compound, soluble in water and acetone; used as a reagent in the determination of the following ions: potassium, ammonium, rubidium, and cesium.