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单词 Nessler’s reagent
释义
Nessler’s reagent

Chemistry
  • A solution of mercury(II) iodide (HgI2) in potassium iodide and potassium hydroxide named after Julius Nessler (1827–1905), who discovered it in 1852. It is used in testing for ammonia, with which it forms a brown coloration or precipitate.


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