配置的NAOH有褐色沉淀?配置好的4%的NAOH放2天,为什么会有褐色沉淀啊?我是用一棕色的玻璃瓶装的.好几次啦,一开始以为没洗干净,后来还是一样?不过我那NAOH好象过期啦.反正就是放啦很久啦,
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/07 15:08:03
![配置的NAOH有褐色沉淀?配置好的4%的NAOH放2天,为什么会有褐色沉淀啊?我是用一棕色的玻璃瓶装的.好几次啦,一开始以为没洗干净,后来还是一样?不过我那NAOH好象过期啦.反正就是放啦很久啦,](/uploads/image/z/14977879-7-9.jpg?t=%E9%85%8D%E7%BD%AE%E7%9A%84NAOH%E6%9C%89%E8%A4%90%E8%89%B2%E6%B2%89%E6%B7%80%3F%E9%85%8D%E7%BD%AE%E5%A5%BD%E7%9A%844%25%E7%9A%84NAOH%E6%94%BE2%E5%A4%A9%2C%E4%B8%BA%E4%BB%80%E4%B9%88%E4%BC%9A%E6%9C%89%E8%A4%90%E8%89%B2%E6%B2%89%E6%B7%80%E5%95%8A%3F%E6%88%91%E6%98%AF%E7%94%A8%E4%B8%80%E6%A3%95%E8%89%B2%E7%9A%84%E7%8E%BB%E7%92%83%E7%93%B6%E8%A3%85%E7%9A%84.%E5%A5%BD%E5%87%A0%E6%AC%A1%E5%95%A6%2C%E4%B8%80%E5%BC%80%E5%A7%8B%E4%BB%A5%E4%B8%BA%E6%B2%A1%E6%B4%97%E5%B9%B2%E5%87%80%2C%E5%90%8E%E6%9D%A5%E8%BF%98%E6%98%AF%E4%B8%80%E6%A0%B7%3F%E4%B8%8D%E8%BF%87%E6%88%91%E9%82%A3NAOH%E5%A5%BD%E8%B1%A1%E8%BF%87%E6%9C%9F%E5%95%A6%EF%BC%8E%E5%8F%8D%E6%AD%A3%E5%B0%B1%E6%98%AF%E6%94%BE%E5%95%A6%E5%BE%88%E4%B9%85%E5%95%A6%2C)
xNAD" x@Np 0}a0#`qE63ݜxkk| M]}#\+)Oʕ!*t""X?yhو6#H21_p%-Xh"m,lƼ)q::&A6N0B\m,!&n2cVY|P7*Uĭ4dRۄ 5^B&S&A'7 $_^4b#
л`s|@sNC>L^$.ElXߛA}:O