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对低含量锆的测定,一般采用8～10M盐酸介质或7M硝酸介质,用偶氮胂Ⅲ显色。其络合物摩尔吸光系数为1.2×10~5。在高酸度介质中,只有铪、钍、铀(Ⅳ)等元素干扰,其它元素几乎没有干扰。对于钢铁及合金材料,由于成份复杂,需进行有效分离。本文着重对较复杂的钢铁材料中微量锆的分离和富集进行丁改进,以适应快速、稳定、使用面广的要求。
Determination of low levels of zirconium, the general use of 8 ~ 10M hydrochloric acid medium or 7M nitric acid medium, with arsenazo Ⅲ color. Its complex molar absorption coefficient of 1.2 × 10 ~ 5. In high acidity medium, only hafnium, thorium, uranium (Ⅳ) and other elements of interference, other elements have almost no interference. For steel and alloy materials, due to the complex composition, the need for effective separation. This article focuses on the more complex materials in the separation and enrichment of trace zirconium Ding improve to meet the requirements of rapid, stable, widely used.