| Nessler | A., German chemist, 1827-1905. See: Nessler's reagent. (05 Mar 2000) |
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| Nessler's reagent | A solution of potassium hydroxide, mercuric iodide, and potassium iodide; it yields a yellow colour with ammonia (a brown precipitate with larger amounts) that can be used for quantitative assay. (05 Mar 2000) |
| nesslerise | To treat with Nessler's reagent; used in the determination of urea nitrogen in the blood and in the urine. (05 Mar 2000) |
| nesslerize | <chemistry> To treat or test, as a liquid, with a solution of mercuric iodide in potassium iodide and potassium hydroxide, which is called Nessler's solution or Nessler's test, and is used to detect the presence of ammonia. Origin: From Nessler, the chemist. Source: Websters Dictionary (01 Mar 1998) |