重铬酸钾
外观
Template:Chembox general Template:Chembox alias Template:Chembox IUPAC Template:Chembox CAS Template:Chembox formula Template:Chembox molweight | SMILES
|
|- Template:Chembox solubility Template:Chembox physical Template:Chembox T melt Template:Chembox T boil Template:Chembox density2 Template:Chembox appearance
Template:Chembox safety Template:Chembox hazard main Template:Chembox related Template:Chembox end
重铬酸钾(K2Cr2O7)是一种剧毒的强氧化剂。在实验室用来配置铬酸洗液清洗玻璃器皿。酸化的重铬酸钾可将乙醇氧化并变色,以检验司机是否酒后驾驶。
制法
由重铬酸钠与氯化钾混合以后通过重结晶分离得到纯品。