摘要
研究重铬酸根离子与偶氮胂Ⅲ进行褪色反应的适宜条件及消除基体铁及共存离子干扰的方法,并应用于钢铁中铬的测定。
This paper had an exploration of the conditions of the fading reaction of Cr2O72-anion with Arsera-zo Ⅱ and the ways in elimination of matrix iron and interference of coexisting ions, which are used in the determination of Cr in iron and steel.
