{"id":4044,"date":"2021-11-05T14:07:07","date_gmt":"2021-11-05T13:07:07","guid":{"rendered":"https:\/\/occhio-instruments.com\/?page_id=4044"},"modified":"2023-01-27T14:18:08","modified_gmt":"2023-01-27T13:18:08","slug":"granulometrie-laser","status":"publish","type":"page","link":"https:\/\/occhio-instruments.com\/fr\/granulometrie-laser\/","title":{"rendered":"Granulom\u00e9trie laser"},"content":{"rendered":"
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Granulom\u00e9trie laser<\/p>\n
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La granulom\u00e9trie<\/strong> est l’analyse de la taille de particules<\/strong><\/a> tels que des agr\u00e9gats<\/strong>, des \u00e9mulsions<\/strong>, des suspensions<\/strong> ou encore des poudres<\/strong>. La granulom\u00e9trie laser<\/strong>, quant \u00e0 elle, est une m\u00e9thode qui permet de d\u00e9terminer la dimension des particules par diffraction laser.<\/p>\n Un proc\u00e9d\u00e9 qui se base sur l’utilisation d’un faisceau<\/strong> lumineux<\/strong> \u00e0 travers lequel les diverses particules vont passer. Cette m\u00e9thode exploite, d\u00e8s lors, la diffraction occasionn\u00e9e par chaque particule. La lumi\u00e8re diffract\u00e9e, qui varie suivant la taille des particules, est alors r\u00e9ceptionn\u00e9e et transform\u00e9e en une image.<\/p>\n Cette op\u00e9ration de diffraction laser est ainsi r\u00e9serv\u00e9e aux poudres<\/a><\/strong> et autres particules fines<\/strong> et peut \u00eatre r\u00e9alis\u00e9e par voie s\u00e8che ou voie humide.<\/p>\n