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Hydrogen donor

hydrogen donor n.
A substance or compound that gives up or transfers a hydrogen atom to another substance.


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  • Hydrogen-electrode

    noun 1. a standard reference electrode with a potential of zero, used in pH measurements, consisting of a platinum-black surface covered with hydrogen bubbles.

  • Hydrogen embrittlement

    /ɪmˈbrɪtəlmənt/ noun 1. (engineering) the weakening of metal by the sorption of hydrogen during a pickling process, such as that used in plating

  • Hydrogen-fluoride

    noun 1. a colorless corrosive gas, HF, the anhydride of hydrofluoric acid, used chiefly as a catalyst and in the fluorination of hydrocarbons. noun 1. a colourless poisonous corrosive gas or liquid made by reaction between calcium fluoride and sulphuric acid: used as a fluorinating agent and catalyst. Formula: HF 2. an aqueous solution of […]

  • Hydrogen-iodide

    noun 1. a colorless gas, HI, having a suffocating odor: the anhydride of hydriodic acid. noun 1. a colourless poisonous corrosive gas obtained by a catalysed reaction between hydrogen and iodine vapour: used in making iodides. Formula: HI 2. an aqueous solution of this gas; hydriodic acid

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