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Hydrogen embrittlement

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


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    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

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  • Hydrogen-ion

    noun 1. ionized hydrogen of the form H + , found in aqueous solutions of all acids. noun 1. an ionized hydrogen atom, occurring in plasmas and in aqueous solutions of acids, in which it is solvated by one or more water molecules; proton. Formula: H+ 2. an ionized hydrogen molecule; hydrogen molecular ion. Formula: […]

  • Hydrogenize

    [hahy-druh-juh-nahyz, hahy-droj-uh-] /ˈhaɪ drə dʒəˌnaɪz, haɪˈdrɒdʒ ə-/ verb (used with object), hydrogenized, hydrogenizing. 1. . /ˈhaɪdrədʒɪˌnaɪz; haɪˈdrɒdʒɪˌnaɪz/ verb 1. variants of hydrogenate

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