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本文对DAM分光光度法测定钢铁材料中钛的测试条件及在实际分析工作时所可能遇到的具体问题作了较为深入、系统地探讨。确定了络合物的最大吸光波长λ_(max)=395nm;测定了络合物的络合比为:T_i~(1v):R=1:3;制定了最佳的测试条件范围(试样的分解、酸度、温度、时间以及各种试剂用量的影响等)。本文介绍的分析方法,灵敏度和准确度较高,选挥性和再现性好。操作简单,易于掌握,应用广泛。
In this paper, DAM spectrophotometric determination of titanium in steel testing conditions and the actual analysis of the work may have encountered more specific issues made in-depth, systematic discussion. The maximum absorption wavelength of the complex was determined as λ max = 395 nm. The complexing ratio of the complex was determined as: T_i ~ (1v): R = 1: 3. The optimal range of test conditions The decomposition, acidity, temperature, time and the impact of various reagents, etc.). This article describes the analysis method, high sensitivity and accuracy, selectivity and reproducibility. Simple operation, easy to grasp, widely used.