密闭消解电感耦合等离子体质谱法同时测定苹果中多元素含量及其分布

汤 行; 李艳香; 代杰瑞; 庞绪贵; 胡圣虹

密闭消解电感耦合等离子体质谱法同时测定苹果中多元素含量及其分布

1.
中国地质大学(武汉)生物地质与环境地质教育部重点实验室, 湖北武汉 430074
2.
中国地质大学(武汉)生物地质与环境地质教育部重点实验室, 湖北武汉 430074
3.
山东省地质调查院, 山东济南 250013
4.
山东省地质调查院, 山东济南 250013
5.
中国地质大学(武汉)生物地质与环境地质教育部重点实验室, 湖北武汉 430074

基金项目:

山东省东部地区农业生态地球化学调查项目资助(鲁国土资字2006-709)

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出版历程
- 收稿日期: 2009-08-03
- 修回日期: 2009-11-09

Simultaneous Determination of Multi-elements in Apples by Inductively Coupled Plasma-Mass Spectrometry with Pressurized Acid Digestion

1.
Key Laboratory of Biogeology and Environmental Geology of Ministry of Education, China University of Geosciences, Wuhan 430074, China
2.
Key Laboratory of Biogeology and Environmental Geology of Ministry of Education, China University of Geosciences, Wuhan 430074, China
3.
Shandong Institute Geological Survey, Jinan 250013, China
4.
Shandong Institute Geological Survey, Jinan 250013, China
5.
Key Laboratory of Biogeology and Environmental Geology of Ministry of Education, China University of Geosciences, Wuhan 430074, China

摘要

摘要: 采用电感耦合等离子体质谱,硝酸-氢氟酸-双氧水增压密闭消解样品,实现了苹果中43种元素含量的同时测定。比较了采取干样和鲜样进行多元素同时测定时的相关性,干样和鲜样中元素比值为0.9~1.1,证实了干样和鲜样测定结果具有很好的一致性。各元素的检出限在0.0009~2.8620 μg/L,相对标准偏差为1.13％~3.45%。比较了不同元素在果皮和果肉中的分布,结果表明:果皮中的元素含量明显高于果肉,稀土元素在果皮富集明显。
- 密闭消解 /
- 电感耦合等离子体质谱法 /
- 苹果 /
- 元素分布
Abstract: A method for simultaneous determination of 43 elements in apples by inductively coupled plasma-mass spectrometry (ICP-MS) was proposed. The apple samples were digested in closed vessels with HNO₃-HF-H₂O₂mixed solvent. The fresh and dry samples from the same apple were used to evaluate the quality of analytical data. The ratios of determined values in fresh and dry samples were 0.9~1.1, which indicated that the analytical results were well consistent. The detection limits and the precision of the method were in the range of 0.0009~2.8620 μg/L and 1.13%~3.45% RSD, respectively. The proposed method has been used in the investigation of elemental distribution in apples and the results showed that the concentration of elements in apple skin was significantly higher than that in apple pulp, especially for rare earth elements.
- pressurized /
- acid /
- digestion /
- inductively

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参考文献(20)

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密闭消解电感耦合等离子体质谱法同时测定苹果中多元素含量及其分布

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出版历程

Simultaneous Determination of Multi-elements in Apples by Inductively Coupled Plasma-Mass Spectrometry with Pressurized Acid Digestion

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