| MIBK负载泡塑吸附-中子活化法在金标样定值中的应用 |
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| 引用本文： | 曹群先,赵砚卿.MIBK负载泡塑吸附-中子活化法在金标样定值中的应用[J].岩矿测试,1993(3). |
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| 作者姓名： | 曹群先 赵砚卿 |
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| 作者单位： | 地矿部物化探研究所，中国原子能科学研究院 廊坊 102849，北京 102413 |
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| 摘 要： | 试样经焙烧、王水分解后,在8％的王水介质中,MIBK负载泡塑吸附AuCl_4]~-。灰化吸附泡塑或硫脲溶液解脱,用中子活化法测定Au。取10g样品,可测定0.000x～xxμg/g的Au。用于金标样的定值,具有良好的精密度和准确度。
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| 关 键 词： | MIBK负载泡塑 中子活化法 金 标样定值 |
Neutron Activation Analysis of Gold in Reference Materials by Preconcentration with MIBK Loaded Polyurethane Foam |
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| Cao Qunxian.Neutron Activation Analysis of Gold in Reference Materials by Preconcentration with MIBK Loaded Polyurethane Foam[J].Rock and Mineral Analysis,1993(3). |
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| Authors: | Cao Qunxian |
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| Abstract: | A sensitive and accurate method for the determination of gold by neutron activation analysis is described. The samples are digested with agua regia and the gold is absorbed on MIBK loaded polyurethane foam and recovered by ashing the foam or by extraction with thiourea. |
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| Keywords: | MIBK loaded polyurethane foam neutron activation analysis gold in ref-erence materials |
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