Sodium cobaltinitriteとは 意味・読み方・使い方

Sodium cobaltinitrite is a coordination compound with the formula Na₃Co(NO₂)₆. The anion of this yellow-coloured salt consists of a cobalt(III) center bound to six nitrito ligands. It is used as a qualitative test for potassium and ammonium ions (provided that certain other cations are absent). Although the sodium salt is soluble in water, those of potassium and ammonium are insoluble. The potassium and ammonium salts are precipitated as yellow solids.