{"id":63089,"date":"2023-12-08T16:59:16","date_gmt":"2023-12-08T15:59:16","guid":{"rendered":"https:\/\/blog.salesflare.com\/entity\/lead"},"modified":"2023-12-08T16:59:16","modified_gmt":"2023-12-08T15:59:16","slug":"lead","status":"publish","type":"entity","link":"https:\/\/blog.salesflare.com\/de\/entity\/verkaufslead","title":{"rendered":"Blei"},"content":{"rendered":"<p class=\"translation-block\">Blei () ist ein chemisches Element aus der Kohlenstoffgruppe mit dem Symbol Pb (von ) und der Ordnungszahl 82. Blei ist ein weiches, verformbares und schweres Metall nach dem \u00dcbergang. Metallisches Blei hat eine bl\u00e4ulich-wei\u00dfe Farbe, wenn es frisch geschnitten wird, aber es l\u00e4uft bald zu einer stumpfen gr\u00e4ulichen Farbe an, wenn es der Luft ausgesetzt wird. Blei hat einen chromsilbernen Glanz, wenn es zu einer Fl\u00fcssigkeit geschmolzen wird. Es ist au\u00dferdem das schwerste nicht-radioaktive Element. Blei wird im Bauwesen, in Bleiakkumulatoren, Kugeln und Schrot, Gewichten, als Bestandteil von L\u00f6tmitteln, Zinn, Schmelzlegierungen und als Strahlenschutz verwendet. Blei hat die h\u00f6chste Ordnungszahl aller stabilen Elemente, obwohl das n\u00e4chsth\u00f6here Element, Wismut, ein Isotop mit einer Halbwertszeit hat, die so lang ist (mehr als eine Milliarde Mal das gesch\u00e4tzte Alter des Universums), dass es als stabil angesehen werden kann. Die vier stabilen Isotope des Bleis haben 82 Protonen, eine magische Zahl im Kernschalenmodell der Atomkerne. Das Isotop Blei-208 hat au\u00dferdem 126 Neutronen, eine weitere magische Zahl, und ist somit doppelt magisch, eine Eigenschaft, die ihm eine erh\u00f6hte Stabilit\u00e4t verleiht: Blei-208 ist das schwerste bekannte stabile Isotop. Blei ist f\u00fcr Tiere und Menschen giftig, da es das Nervensystem sch\u00e4digt und Hirnst\u00f6rungen verursacht, wenn es aufgenommen wird. Ein \u00dcberma\u00df an Blei verursacht auch Blutkrankheiten bei S\u00e4ugetieren. Blei ist ein Nervengift, das sich sowohl im Weichteilgewebe als auch in den Knochen anreichert. Bleivergiftungen sind aus dem alten Rom, dem alten Griechenland und dem alten China bekannt.<\/p>","protected":false},"excerpt":{"rendered":"<p>Lead () is a chemical element in the carbon group with symbol Pb (from ) and atomic number 82. 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