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偶氮胂Ⅲ比色测定锆是个很成熟的方法,一般在2～11N 盐酸介质中直接测定,方法的选择性及灵敏度均较高,已广泛用于矿石及多种合金(铜基、铝基、镁基、钛基)中锆的测定。我们针对本单位生产中存在的问题进行了有关试验,拟定了相应的分析方法:选择较低酸度下显色(0.5N);降低方法灵敏度,而扩大了符合比尔定律范围(10～70微克/50毫升),解决了生产中长期存在的锆值不稳定的问题。
Arsenazo Ⅲ colorimetric determination of zirconium is a very mature method, generally measured directly in 2 ~ 11N hydrochloric acid medium, the selectivity and sensitivity of the method are high, has been widely used in ore and a variety of alloys (copper, aluminum , Magnesium, titanium) Determination of zirconium. We conducted experiments on the problems in the production of this unit, and developed the corresponding analysis methods: selecting the color under low acidity (0.5N); reducing the sensitivity of the method and expanding the range of Beer’s Law (10-70 μg / 50 ml), to solve the problem of instability of zirconium in the production of long-term problems.