高碘酸鐵鉀是一種無機化合物，化學式為K2FeIO6，與鋰離子反應生成黃色的KLi[FeIO6]沉澱[1]，用作分析化學中鑑定鋰離子的試劑。可由鐵離子與高碘酸根反應，調節pH製得。
參考資料
- ↑ Zawisza, Beata. Indirect determination of trace amounts of lithium via complex with iron by X-ray fluorescence spectrometry. Journal of Analytical Atomic Spectrometry. 2010-01-01, 25 (1): 34. doi:10.1039/B911010K.