from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun organic chemistry Any aliphatic ammonium cation


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  • In addition to these alkali ions and other metal ions, it has been possible to produce host molecules that bind organic positive ions (cations such as diazonium and alkylammonium ions), as well as other host molecules which can bind small neutral molecules or negative ions

    Press Release: The 1987 Nobel Prize in Chemistry


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