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Home>> Chemical test>>Halogen(卤素)检测
Halogen(卤素)检测
1. Halogen(卤素)是什么?

卤族Halogen元素:指周期系第7主族(ⅶA)非金属元素,包括了氟(Fluorine)、氯(Chlorine)、溴(Bromine)、碘(Iodine)和砹(Astatine)等五种元素,总称为卤素。卤族元素作为一类典型的、最活泼的非金属元素,在自然界中多以卤素化合物存在,其特性是:最外电子层都有7个电子,都易于得到一个电子形成稳定的卤素化合物。



2. Halogen(卤素)的应用及危害:

卤素化合物在各种塑料添加剂中均有广泛的应用,作为阻燃剂的应用最为普遍,阻燃剂是一类能阻止易燃材料引燃或抑制火焰传播的添加剂。但是,使用卤系阻燃剂也有不利的一面:一旦发生火灾,卤化阻燃剂的不完全燃烧会产生大量的致癌物;而且使用了卤系阻燃剂的材料在燃烧时会产生大量的烟雾和有毒的腐蚀性气体,从而妨碍救火和人员疏、腐蚀仪器和设备。

3. Halogen(卤素)测试项目:


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