hydrogeniten.
/hʌɪˈdrɒdʒənʌɪt/ Either of two powders formulated to provide a convenient and portable means of generating hydrogen: (a) a mixture of aluminium filings, mercuric chloride, and potassium cyanide; (b) a mixture of ferrosilicon, sodium hydroxide, and usually also calcium hydroxide.
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hydrolith1906
hydrogenite1908
1908 Jrnl. Chem. Soc. 94 ii. 829 Aluminium filings are mixed with a small quantity of mercuric chloride and potassium cyanide in powder. The product, to which the name ‘hydrogenite’ is given, has D = 1·42.
1911 Chem. Abstr. 5 1499 ‘Hydrogenite’ is a compressible powder consisting of an alloy of Si and a base of soda lime, and when ignited by a suitable ‘match’ it reacts spontaneously..with the evolution of H.
1922 J. W. Mellor Comprehensive Treat. Inorg. & Theoret. Chem. I. vii. 285 A mixture, devised by G. F. Jaubert (1910), containing 25 parts of 90–95 per cent. ferrosilicon or manganosilicon, 60 of sodium hydroxide, and 20 slaked lime, is commercially known as hydrogenite.
1963 G. S. Brady Materials Handbk. (ed. 9) 678 A mixture of ferrosilicon and sodium hydroxide, called hydrogenite, which yields hydrogen gas when water is added, is used for filling balloons.
This entry has not yet been fully updated (first published 1976; most recently modified version published online March 2018).
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