| Ilosvay | Lajos de, Hungarian chemist, *1851. See: Ilosvay reagent. (05 Mar 2000) |
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| Ilosvay reagent | Sulfanilic acid 0.5, dissolved in dilute acetic acid 150, mixed with naphthylamine 1, and dissolved in boiling water 20; the blue sediment which forms is dissolved in dilute acetic acid 150; a few drops of this reagent added to water, saliva, or other fluid to be tested will produce a red colour if nitrites are present. (05 Mar 2000) |
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