| 电感耦合等离子体发射光谱法测定高岭土中杂质元素 |
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| 引用本文： | 陈永欣,阮贵武,谢毓群,蔡维专.电感耦合等离子体发射光谱法测定高岭土中杂质元素[J].岩矿测试,2008,27(6):473-474. |
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| 作者姓名： | 陈永欣 阮贵武 谢毓群 蔡维专 |
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| 作者单位： | 防城港出入境检验检疫局,广西,防城港,538001 |
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| 基金项目： | 广西检验检疫局科研制标项目 |
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| 摘 要： | 高岭土经高氯酸-氢氟酸混合酸消解、挥硅处理,标准溶液中加入一定含量的铝进行基体匹配,电感耦合等离子体发射光谱法测定矿样中铁、锰、镁、钙、钠、钾的含量,方法基体效应较小,各待测元素之间没有明显干扰。方法用于分析有证标准物质和实际样品,分析结果与标准值和国家标准方法测定值一致,均在允许误差范围内;回收率为88%~107%;精密度(RSD,n=12)为0.77%~2.85%。与现行的单元素分析方法相比,建立的方法分析周期短,操作简单,适用于大批量高岭土的商品检验。
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| 关 键 词： | 电感耦合等离子体发射光谱法 高岭土 多元素测定 |
| 收稿时间： | 2008/5/25 0:00:00 |
| 修稿时间： | 2008/8/14 0:00:00 |
Inductively Coupled Plasma-Optical Emission Spectrometric Determination of Impurity Elements in Kaolin Clay |
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| CHEN Yong-xin,RUAN Gui-wu,XIE Yu-qun and CAI Wei-zhuan.Inductively Coupled Plasma-Optical Emission Spectrometric Determination of Impurity Elements in Kaolin Clay[J].Rock and Mineral Analysis,2008,27(6):473-474. |
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| Authors: | CHEN Yong-xin RUAN Gui-wu XIE Yu-qun and CAI Wei-zhuan |
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| Institution: | Fangchenggang Entry-Exit Inspection and Quarantine Bureau;Fangchenggang Entry-Exit Inspection and Quarantine Bureau;Fangchenggang Entry-Exit Inspection and Quarantine Bureau;Fangchenggang Entry-Exit Inspection and Quarantine Bureau |
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| Abstract: | A method for the determination of iron,manganese,magnesium,calcium,sodium and potassium in kaolin clay samples by inductively coupled plasma-optical emission spectrometry has been developed.Matrix effect could be eliminated by using matrix matching method.The interference among detected elements was not evident.Certified Reference Materials and practical samples were analyzed and the results were in good agreement with the certified values and those obtained from national standard methods.The recovery of the method is 88%～107% with precision of 0.77%～2.85%RSD(n=12).The proposed method can meet the requirements for commodity inspection of kaolin clay and can be applied to routine inspection. |
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| Keywords: | inductively coupled plasma-optical emission spectrometry kaolin clay multi-element determination |
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