家居 返回
天气预报 > 家居 > 甲醛检测方法
甲醛检测方法
更新时间： 2020-10-30 16:33:07  

甲醛检测的方法主要有乙酰丙酮法、变色酸法、酚试剂法、副品红法、溴酸钾－次甲基蓝法等。乙酰丙酮法是利用甲醛和乙酰丙酮进行分光的检测。变色酸法主要是通过分光光度法进行分析测定。酚试剂法主要是甲醛与酚试剂反应来检测。副品红法是与副品红生成紫色络合物来检测甲醛的存在程度。溴酸钾－次甲基蓝法原理是在酸性介质中，可以用来检测甲醛。

关键词： 甲醛 检测 方法

甲醛检测方法相关经验

天气预报

最新推荐

页面:/news/view-3544375/ | 耗时:0.2682 s | 内存:2.11 MB | 查询:4 | 缓存读取:3 写入:0 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=3544375 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=3544375 LIMIT 0,1
select * from tbl_Articles_sphinx where id=3544375 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(3534227,3528264,3532097,3542222,3543348,3528251,3530033,3531128,1101073,3533103,3533378,3530905,3528960,3529022,3530857,3526992,3542184,3541722,3531212,3543405,3531428,3531269,1068696,3534187,3532987,1067918,3530490,3533916,3540688,3543776) ORDER BY field (ArticleID,3534227,3528264,3532097,3542222,3543348,3528251,3530033,3531128,1101073,3533103,3533378,3530905,3528960,3529022,3530857,3526992,3542184,3541722,3531212,3543405,3531428,3531269,1068696,3534187,3532987,1067918,3530490,3533916,3540688,3543776)