氟化铵溶液能存放在玻璃试剂瓶吗?

2025-03-29 04:54:25
推荐回答(3个)
回答1:

不能存放在玻璃试剂瓶中。

氟化铵溶液水解显酸性,但是形成的溶液环境相当于有氢氟酸,而氢氟酸可以与二氧化硅(玻璃中的主成分之一)反应生成四氟化硅和水,从而腐蚀玻璃容器,故不能用玻璃容器贮存。

氢化铵简介:

1.氟化铵为离子化合物。室温下为白色或无色透明斜方晶系结晶,略带酸味。易潮解,受热或遇热水分解为氨与氟化氢。热水中分解,水溶液呈强酸性。由无水氢氟酸与液氨中和而得。能腐蚀玻璃,对皮肤有腐蚀性。

2.可用作化学试剂、玻璃蚀刻剂(参与氢氟酸并用)、发酵工业消毒剂和防腐剂、由氧化铍制金属铍的溶剂以及硅钢板的表面处理剂,还用于制造陶瓷、镁合金,锅炉给水系统和蒸气发生系统的清洗脱垢,以及油田砂石的酸处理,也用作烷基化、异构化催化剂组分。

回答2:

氟化铵
分子式:NH4F
相对分子量:37.04
性质:无色叶状或针状结晶,升华后得六角形柱状结晶,易潮解.相对密度1.009(25℃),易溶于水,水溶液呈酸性.可溶于醇,不溶于丙酮和液氨.受热或遇热水即分解成氨和氟化氢.
用途:用作玻璃蚀刻剂,金属表面的化学抛光剂、酿酒的消毒剂,防腐剂,纤维的媒染剂,也用于提取稀有元素等.
玻璃的主要成分是二氧化硅,氟化铵 可以和二氧化硅反应,所以用来雕刻玻璃,所以不能用玻璃装.

回答3:

弗化氨弱酸弱碱盐,显中性

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