UV-SPECTROPHOTOMETRIC FLOW-INJECTION DETERMINATION OF NITRATE USING ONLINE CHARCOAL COLUMN

被引：0
|
作者：
YAQOOB, M
MASOOM, M
机构：
来源：
JOURNAL OF THE CHEMICAL SOCIETY OF PAKISTAN | 1992年 / 14卷 / 04期
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D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A method is proposed for the determination of nitrate using ultraviolet spectrophotometry. The use of oxidized activated charcoal minicolumn on-line at an elevated pH eliminates organic and inorganic interferences. The absorbance is measured at 225 nm. The procedure has a limit of detection down to 1 mg l-1 with a relative standard deviation less than 1.0%.
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页码：241 / 243
页数：3
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