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单词 mercury iodide
释义 mercury iodide
noun
: either of two iodides of mercury:
 a. : a yellow amorphous powder Hg2I2 that turns greenish on exposure to light — called also mercurous iodide
 b. : a red crystalline poisonous salt HgI2 that changes to a yellow crystalline modification when heated above 126° C and that is used chiefly in medicine — called also mercuric iodide
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