用N_2O-C_2H_2火焰原子吸收光谱法测定变形钛合金中的铝

MEASUREMENT OF CONTENT OF ALUMINUM IN WROUGHT TITANIUM ALLOYBY N_2O-C_2H_2 FLAMES ATOMIC ABSORPTION SPECTROMETRY

采用N2O-C2H2火焰原子吸收光谱法对变形钛合金中的铝进行分析。考察了铝的最佳测定条件、线性浓度范围以及样品分析中的干扰因素。实验表明,该方法测定结果的相对标准偏差小于0.5%(n=6),加标回收率为97.6%～99.0%。该方法适用于变形钛合金中铝的分析,满足实验室化学分析技术与分析质量的控制要求。

The application of nitrous oxide-ethane flame atomic absorption spectrometry method for measuring aluminum in wrought titanium alloy was studied.The optimum measuring conditions for aluminum detection and fine liner range were explored as well as interference factors.The relative standard deviations of detection results were less than 0.5%(n=6),and the standard adding recoveries ranged from 97.6% to 99.0%.The method is suitable for measuring aluminum in wrought titanium alloy and can meet the needs of chemi...