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    • Berillio - Foglio

      Discovered in 1797 by N.L. Vauquelin in Paris, but not extracted until 1828 by Wöhler (Berlin) and A.A.B. Bussy (Paris). Beryllium is a light and lustrous metal which is obtained by the electrolysis of a fused halide (e.g. BeCl₂). It is resistant to attack by air or water, even at elevated temperatures (red heat). Beryllium is non-magnetic, is a good thermal conductor and is used as an alloying addition to copper or nickel, the alloys having excellent thermal, mechanical and electrical properties; in addition, when alloyed with nickel, the resultant Be/Ni alloy has the highest coefficient for secondary electron emission (12.3). Applications for pure beryllium include its use as windows in X-ray tubes and as a source of neutrons when bombarded with alpha particles, a technique used by Chadwick in 1932 in their discovery. Beryllium and its compounds are highly toxic, inhalation of the dust resulting in berylliosis, an inflammation of the lungs.Foglio - Sottili fogli di metallo puro e leghe metalliche. A causa della loro fragilità, alcuni fogli sono rivestiti su un lato con un sostegno in acrilico o poliestere. La parte in cui i fogli sono sostenuti è indicata nella descrizione dettagliata dell'elemento.

    4 risultati

    Prodotto
    Prodotto BE00-FL-000120 Berillio - Foglio Thickness 0.025mm - Size Light Tight 10mm x 10mm Purity 99.8%
    Prodotto BE00-FL-000152 Berillio - Foglio Thickness 0.25mm Diametro 15mm - Purity 99.8%
    Prodotto BE00-FL-000250 Berillio - Foglio Thickness 0.25mm - Size Light Tight 10mm x 10mm - 100mm x 100mm Purity 99.8%
    Prodotto BE00-FL-000230 Berillio - Foglio Thickness 1mm - Size Light Tight 25mm x 25mm - 100mm x 100mm Purity 99.0%
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