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Glas</span></div></div><style></style><div class="main xw-det"><div class="zindex"><div class="auto"><div class="topbox"><h3 class="title">Die Verwendung von Mangandioxid in Glas</h3><div class="text"><span><i class="iconfont icon-shijian"></i>2025.07.29</span><span><i class="iconfont icon-yanjing" style="transform: scale(1.2,1.2);"></i>120</span><div class="a2a_kit a2a_kit_size_32 a2a_default_style"><a class="a2a_dd" href="https://www.addtoany.com/share"></a><a class="a2a_button_facebook"></a><a class="a2a_button_mastodon"></a><a class="a2a_button_pinterest"></a><a class="a2a_button_whatsapp"></a><a class="a2a_button_x"></a></div><script defer="" src="https://static.addtoany.com/menu/page.js"></script><div class="social"><!-- <a href="https://www.facebook.com/profile.php?id=61583899566060" aria-label="facebook" target="_blank" class="iconfont icon-facebook icon"></a><a href="#" aria-label="instagram" target="_blank" class="iconfont icon-instagram icon"></a><a href="https://www.youtube.com/@qingchongnewmaterials" aria-label="youtube" target="_blank" class="iconfont icon-youtube icon"></a><a href="https://www.linkedin.com/company/qingchong-new-materials/about/?viewAsMember=true" aria-label="linkedin" target="_blank" class="iconfont icon-linkedin icon"></a> --></div></div></div></div><div class="auto" style="max-width:1330px;"><div class="edit"><p><strong>Mangandioxid</strong> (MnO2) wird in der Glasherstellung hauptsächlich für zwei Zwecke verwendet: als Entfärber und als Farbstoff. In geringen Mengen wirkt es dem durch Eisenverunreinigungen verursachten Grünstich entgegen und sorgt für klares Glas. Wenn es in größeren Mengen hinzugefügt wird, kann es eine Reihe von Farben erzeugen, darunter Violett, Lila, Bernstein und Schwarz.</p> <p> </p> <p>Hier finden Sie eine ausführlichere Erklärung:</p> <p> </p> <p>Entfärber:</p> <p>Eisenverunreinigungen im Rohmaterial können zu einer grünlichen Verfärbung des Glases führen. Mangandioxid wirkt als Reduktionsmittel, reagiert mit dem Eisen und oxidiert es zu einer weniger gefärbten Form, wodurch klareres Glas entsteht.</p> <p> </p> <p>Farbstoff:</p> <p>Bei Zugabe in größeren Mengen wirkt Mangandioxid selbst als Farbstoff und erzeugt einen violetten oder violetten Farbton. Der genaue Farbton hängt von der Konzentration an MnO2 und anderen Inhaltsstoffen in der Glascharge ab.</p> <p> </p> <p>Historische Bedeutung:</p> <p>Mangandioxid wird schon seit sehr langer Zeit in der Glasherstellung verwendet, wobei seine Verwendung als Entfärber schon in der Antike zurückreicht.</p> <p> </p> <p>Solarisierung:</p> <p><strong>Glas</strong> Mit Mangandioxid entfärbtes Glas kann einem Prozess namens Solarisation unterzogen werden, bei dem eine längere Einwirkung von Sonnenlicht dazu führt, dass das Mangan reagiert und das Glas violett oder violett färbt.</p> <div style="text-align:center"><img alt="" src="/upload/8c/82e67b60bede7cb8f7cf7736530c8c.png.webp"></div> <p> </p></div><div class="xw-rela"><div class="pagenav"><a class="ann prev" href="/news-detail/what-is-the-EMD-in-a-battery">Vorheriger Beitrag </a><a href="/news" class="ann backbtn">Zurück zu den Nachrichten </a><a class="ann next" 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