碘化汞银(化学式:Ag2[HgI4]),也称四碘合汞酸银、四碘合汞(II)酸银、碘汞酸银,为黄色固体,有毒。
制备
- 2 AgNO3 + K2[HgI4] → Ag2[HgI4]↓ + 2 KI
物理性质
碘化汞银为黄色固体,难溶于水,在45~50℃由黄色可逆地变为红色[1]。(有资料则指出碘化汞银在50.7℃有低温的α型转变为高温的β型。[2])
参考资料
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