Flotation-Spectrophotometric Method for the Determination of Aluminium ion Using Xylenol Orange

被引：2
|
作者：
Nekouei, F. [1 ]
Nekouei, Sh. [1 ]
机构：
[1] Islamic Azad Univ, Gachsaran Branch, Gachsaran, Iran
来源：
E-JOURNAL OF CHEMISTRY | 2011年 / 8卷 / 04期
关键词：
Flotation-spectrophotometric; Aluminium; Xylenol orange; Cetyltrimethylammonium bromide; Ion associate; WATER SAMPLES; BROMOPYROGALLOL RED; TRACE ALUMINUM; RIVER WATER; EXTRACTION; PRECONCENTRATION;
D O I：
10.1155/2011/637913
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A simple, fast, reproducible and sensitive method for the flotation-spectrophotometric determination of Al(3+) is reported. The apparent molar absorptivity (epsilon) of the ion associate was determined to be 8.35x10(4) L mol(-1) cm(-1). The calibration curve was linear in the concentration range of 1.0-50 ng mL(-1) of Al(3+) with a correlation coefficient of 0.9997. The limit of detection (LOD) was 0.621 ng mL(-1). The relative standard deviation (RSD) at 10 and 30 ng mL(-1) of aluminium were 1.580 and 2.410% (n=7) respectively. The method was applied for measuring the amount of aluminium in water samples.
引用
收藏
页码：1528 / 1535
页数：8
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