碘化汞銀(化學式:Ag2[HgI4]),也稱四碘合汞酸銀、四碘合汞(II)酸銀、碘汞酸銀,為黃色固體,有毒。
製備
- 2 AgNO3 + K2[HgI4] → Ag2[HgI4]↓ + 2 KI
物理性質
碘化汞銀為黃色固體,難溶於水,在45~50℃由黃色可逆地變為紅色[1]。(有資料則指出碘化汞銀在50.7℃有低溫的α型轉變為高溫的β型。[2])
參考資料
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