摘要
环境空气中的甲醛与酚试剂作用生成嗪,嗪在酸性溶液中被高价铁离子氯化生成蓝绿色化合物,根据颜色深浅比色定量。
The reaction of the formaldehyde in the air with phenol reagent may cause flunarizine,which may become bluish green compound when chloridized by high-valence iron ions in acid liquid,so the amount may determined according to the color.
出处
《山西科技》
2012年第5期117-118,共2页
Shanxi Science and Technology
关键词
甲醛
酚试剂
环境空气
formaldehyde
phenol reagent
ambient air