特性
白色极不稳定固体,与有机物或还原剂相混易爆炸。水溶液碱性,并缓慢分解为NaCl、NaClO₃和O₂,受热受光快速分解,强氧化性。
次氯酸钠主要用于漂白、工业废水处理、造纸、纺织、制药、精细化工、卫生消毒等众多领域,具体是:
1、用于纸浆、纺织品(如布匹、毛巾、汗衫等)、化学纤维和淀粉的漂白;
2、制皂工业用作油脂的漂白剂;
3、化学工业用于生产水-合-肼、单氯胺、双氯胺;
4、用于制造钴、镍的氯化剂;
5、水处理中用作净水剂、杀菌剂、消毒剂;
6、染料工业用于制造硫化宝蓝;
7、有机工业用于制造,电石水合制乙炔的清净剂;
8、农业和畜牧业用作蔬菜、水果、饲养场和畜舍等的消毒剂和去臭剂;
9、食品级次氯酸钠用于饮料水、水果和蔬菜的消毒,食品制造设备、器具的杀菌消毒,但是不可以用于以芝麻为原料的食品生产过程。
作用与用途
强氧化剂,用作漂白剂、氧化剂及水净化剂用于造纸、纺织、轻工业等,具有漂白、杀菌、消毒的作用。
用于水的净化,以及作消毒剂、纸浆漂白等,医药工业中用制氯胺等。
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