水杨基荧光酮分光光度法与石墨炉原子吸收法测定饮用水中钛的比较

Determining of Titanium in Drinking Water by Comparing Salieylfluorone Spectrophotometry and Graphite Furnace Atomic Absorption Spectrophotometry

【目的】对水杨基荧光酮分光光度法(A法)与石墨炉原子吸收法(B法)测定饮用水中钛进行比较,从而建立一种简便、快速、高灵敏度的测定饮用水中钛的方法。【方法】水杨基荧光酮分光光度法按照GB/T5750.6-2006《生活饮用水标准检验方法-金属指标》17.2的有关规定进行。石墨炉原子吸收法按照仪器厂家推荐条件进行。【结果】两种方法均具有良好的线性关系、准确度和精密度,所测得的结果在统计学上无显著性差异。【结论】A法干扰因素多,操作繁琐。B法则操作简单,灵敏度高,精密度和准确度均符合分析要求,适宜推广应用。

[Objective]To establish a simple,rapid,highly sensitive method for determination of titanium in drinking water by comparing Salieylfluorone Spectrophotometry（Method A） and Graphite Furnace Atomic Absorption Spectrophotometry（Method B）.[ Methods] According to the relevant provisions of 17.2 in ＂test methods for drinking water-metal targets＂（GB/T5750.6-2006）,the salicylfluorone spectrophotometry was used.Graphite furnace atomic absorption spectrometry was used according to the conditions recommended by equipment manufacturers.[ Results]Two methods have good correlation,accuracy and precision,moreover,the measured results showed no significant difference.[Conclusion] Method A has more disturbances and it is complicated.Method B is simple and high sensitive.The precision and accuracy are in line with the requirements,so it is suitable for application.