Al-茜素红-盐酸羟胺-邻菲啰啉显色反应体系荧光法测定矿泉水中微量铝  

Fluorophotometric determination of trace aluminium in mineral water by alizarm red-o-phnanthroline-hydroxylammonium chloride color reaction

作　　者：贾秀莲[1] 刁满盈[1] 张克俭[1] 武永平[1] 

机构地区：[1]陕西省宝鸡市疾病预防控制中心,陕西宝鸡721006

出　　处：《中国卫生检验杂志》2009年第8期1780-1782,共3页Chinese Journal of Health Laboratory Technology

摘　　要：目的：提出Al与茜素红-盐酸羟胺-邻菲啰啉显色反应体系荧光法测定矿泉水中微量铝的方法。方法：在pH6.0的乙酸-乙酸钠缓冲溶液中,铝与茜素红-盐酸羟胺-邻菲啰啉显色反应。结果：在所选定的最佳条件下,铝的线性范围为0.00-0.15μg/ml,回归方程y=9.072x＋2.522,相关系数r=0.9997,方法的检出限为0.01μg/ml。结论：该法操作简单,灵敏度高,准确度好,可用于矿泉水中微量铝的测定。Objective： A Color reaction system of Al-Alizarm red-o-phnanthroline-Hydroxylammonium chloride was used for the fluorophotometric determmation of micro-amounts of aluminium in mineral water.Methods：In a HAc-NaAc buffer solution of pH6.0,Al reacts with Alizarm red-o-ophnanthroline-Hydroxylammonium chloride to form a ternary complex.Results：The detection limit and linear value of the method was 0.01 μg/ml and 0.000.15 μg/ml respectively.The regressive equation was y=9.072x＋2.522,with acorrelation coefficient r=0.9995.Conclusion：The method is simple and of high sensitivity and good selectivity.It can be applied to the determimnation of aluminium in mineral water.

关 键 词：荧光光度法 微量 铝 茜素红-盐酸羟胺-邻菲啰啉 矿泉水 

分 类 号：O657.3[理学—分析化学]