Filamentous Carbon

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P. AND L. SCHÜTZENBERGER1 reported that when cyanogen was passed down a porcelain tube containing gas carbon with powdered cryolite on its surface, heated to a cherry-red heat, decomposition occurred and elementary carbon separated in a bulky mass of very slender filaments. The filaments had some elasticity, were friable and marked paper. When aluminium was mixed with the gas carbon, non-elastic filaments separated round it which, on gentle compression, resembled graphite.

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  1. 1

    C.R. Acad. Sci., 111, 774 (1890).

  2. 2

    C.R. Acad. Sci., 137, 706 (1903).

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