ADAPTATION OF A DRY ASHING PROCEDURE FOR DETERMINATION OF SELENIUM BY FLUOROMETRY IN HIGH-FAT FOODS

被引：0
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作者：
BELLANGER, JR
机构：
来源：
JOURNAL OF AOAC INTERNATIONAL | 1995年 / 78卷 / 02期
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中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The wet ashing-dry ashing procedure for destruction of organic matter in high-fat foods for subsequent fluorimetric determination of selenium was investigated. Samples were decomposed by predigestion with nitric acid and dry-ashed with magnesium nitrate and hydrochloric acid. Selenium was recovered quantitatively through the total procedure. Detection limit was about 4 ppb. Accuracy was tested by analysis of several reference materials and by comparison with the wet-digestion method. The present method can be used conveniently for selenium determination in high-fat foods.
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页码：477 / 480
页数：4
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