| 石墨炉原子吸收法测定食品中痕量铅 |
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| 引用本文： | 余志峰,温劲松,张旺强,田凯,毛振才.石墨炉原子吸收法测定食品中痕量铅[J].分析测试技术与仪器,2004,10(3):187-189. |
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| 作者姓名： | 余志峰 温劲松 张旺强 田凯 毛振才 |
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| 作者单位： | 1. 地矿部甘肃省中心实验室,甘肃,兰州,730050
2. 甘肃地勘局第四矿产勘察院,甘肃,酒泉,735000 |
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| 摘 要： | 样品经硝酸和高氯酸分解后，加入磷酸二氢铵作基体改进剂测定铅，方法快捷，准确，经济，精密度≤14％，回收率92％～104％，检出限0．4ng／mL，用于多种食品中铅的测定，结果令人满意。
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| 关 键 词： | 食品 铅 石墨炉原子吸收法 |
| 文章编号： | 1006-3757(2004)03-0187-03 |
| 收稿时间： | 2004/3/17 0:00:00 |
| 修稿时间： | 2004年3月17日 |
Determination of Trace Plumbum in Food and Food Additive by GFAAS |
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| YU Zhi-feng,WEN Jin-song,ZHANG Wang-qiang,TIAN Kai and MAO Zheng-cai.Determination of Trace Plumbum in Food and Food Additive by GFAAS[J].Analysis and Testing Technology and Instruments,2004,10(3):187-189. |
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| Authors: | YU Zhi-feng WEN Jin-song ZHANG Wang-qiang TIAN Kai and MAO Zheng-cai |
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| Institution: | YU Zhi-feng~ |
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| Abstract: | The sample was dissolved in HNO_(3) and HClO_(4),NH_(4)H_(2)PO_(4 )was used as a reagent to amend the condition of solution. Trace plumbum in food and food additive was determined by GFAAS. The RSD was less than 14%. The detection limit of the method is 0.4 ng/ml for plumbum .The method has been applied to the determination of trace plumbum in many food and food additive. The result is satisfactory. |
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| Keywords: | food Plumbum graphite furnace atomic absorption spectrometry(GFAAS) |
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