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| Determination of Lead Content in Spirulina by Graphite Furnace Atomic Absorption Spectrometry |
| Received:March 10, 2015 Revised:April 08, 2015 |
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| DOI：doi:10.3969/j.issn.2095-1035.2015.03.001 |
| KeyWord:spirulina; graphite furnace; atomic absorption spectrometry |
| Author | Institution |
| MENG Qinghui |
山东康惠科技有限公司 山东 青岛 |
| SONG Xiaohong |
岛津企业管理中国有限公司 北京分析中心 北京， |
| FENG Xu |
岛津企业管理中国有限公司 北京分析中心 北京， |
| DUAN Weiya |
岛津企业管理中国有限公司 北京分析中心 北京， |
| YANG Guixiang |
岛津企业管理中国有限公司 北京分析中心 北京， |
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| Abstract: |
| Lead content in Spirulina was measured by graphite furnace atomic absorption spectrometry with GB/T 5009.12—2010 as the reference. The results showed that the linear relationship of lead was good(R=0.999 5). The method had been verified by analyzing the national standard reference material (GBW 10025) and the analytical results were in agreement with the certified value. The recovery was over 92%. The importance of removing acid in the process of sample pre-treatment and the selection of matrix modifier were also verified. The proposed method was convenient,reliable and accurate for determining lead content in Spirulina. |
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