痕量铀分析样品的预处理方法
后处理厂运行过程中的痕量铀样品分析受到H＋和NO-3干扰,严重影响其分析速度与准确度。本工作针对时间分辨荧光法分析痕量铀样品的主要干扰H＋和NO-3,使用离子交换纤维建立了纤维浸泡式样品预处理方法。该方法有效消除H＋和NO-3对铀酰荧光分析的干扰,处理后的样品可以使用工作曲线法测量,操作简便、准确度高,适合于手套箱中使用,满足了后处理厂痕量铀样品预处理方法急需改进的需求。经模拟样品分析6次测量精密度优于5%,测量结果经t检验（α=0.02）证明结果准确可靠。...
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| Published in | 核化学与放射化学 Vol. 37; no. 2; pp. 77 - 83 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
中国原子能科学研究院 放射化学研究所,北京,102413
2015
|
| Subjects | |
| Online Access | Get full text |
| ISSN | 0253-9950 |
| DOI | 10.7538/hhx.2015.37.02.0077 |
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| Abstract | 后处理厂运行过程中的痕量铀样品分析受到H＋和NO-3干扰,严重影响其分析速度与准确度。本工作针对时间分辨荧光法分析痕量铀样品的主要干扰H＋和NO-3,使用离子交换纤维建立了纤维浸泡式样品预处理方法。该方法有效消除H＋和NO-3对铀酰荧光分析的干扰,处理后的样品可以使用工作曲线法测量,操作简便、准确度高,适合于手套箱中使用,满足了后处理厂痕量铀样品预处理方法急需改进的需求。经模拟样品分析6次测量精密度优于5%,测量结果经t检验（α=0.02）证明结果准确可靠。 |
|---|---|
| AbstractList | 后处理厂运行过程中的痕量铀样品分析受到H＋和NO-3干扰,严重影响其分析速度与准确度。本工作针对时间分辨荧光法分析痕量铀样品的主要干扰H＋和NO-3,使用离子交换纤维建立了纤维浸泡式样品预处理方法。该方法有效消除H＋和NO-3对铀酰荧光分析的干扰,处理后的样品可以使用工作曲线法测量,操作简便、准确度高,适合于手套箱中使用,满足了后处理厂痕量铀样品预处理方法急需改进的需求。经模拟样品分析6次测量精密度优于5%,测量结果经t检验（α=0.02）证明结果准确可靠。 O657.4; 后处理厂运行过程中的痕量铀样品分析受到 H +和 NO-3干扰,严重影响其分析速度与准确度。本工作针对时间分辨荧光法分析痕量铀样品的主要干扰 H +和 NO-3,使用离子交换纤维建立了纤维浸泡式样品预处理方法。该方法有效消除 H +和 NO-3对铀酰荧光分析的干扰,处理后的样品可以使用工作曲线法测量,操作简便、准确度高,适合于手套箱中使用,满足了后处理厂痕量铀样品预处理方法急需改进的需求。经模拟样品分析6次测量精密度优于5%,测量结果经 t 检验(α=0.02)证明结果准确可靠。 |
| Abstract_FL | Some technological operational states are monitored through the analysis of trace uranium in nuclear fuel reprocessing pilot plant,so the analysis of trace uranium plays important role in the pilot plant.Time-resolved fluorescent (TRF)method is used to analyze trace uranium in the analytical laboratory of pilot plant,but the accuracy of measuring results is not very good because of the existence of some interfering ions.For accurate deter-mination of UO2 +2 ,a rapid and simple sample pretreatment method that can eliminate the influences is established,which can meet the demand of the trace uranium analysis in nuclear fuel reprocessing pilot plant.In this method,a new type of ion exchange materials—ion exchange fiber (IEF)has been used to remove the interfering ions.The sr is 5% (n=6)in this work.The determination results are accurate and reliable by t test (α=0.02). |
| Author | 梁靓 苏涛 谈树苹 吴继宗 |
| AuthorAffiliation | 中国原子能科学研究院放射化学研究所,北京102413 |
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| Author_FL | SU Tao WU Ji-zong LIANG Liang TAN Shu-ping |
| Author_FL_xml | – sequence: 1 fullname: LIANG Liang – sequence: 2 fullname: SU Tao – sequence: 3 fullname: TAN Shu-ping – sequence: 4 fullname: WU Ji-zong |
| Author_xml | – sequence: 1 fullname: 梁靓 苏涛 谈树苹 吴继宗 |
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| DOI | 10.7538/hhx.2015.37.02.0077 |
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| Notes | 11-2045/TL trace uranium; time resolved fluorescence; ion exchange fiber LIANG Liang, SU Tao, TAN Shu-ping, WU Ji-zong（ China Institute of Atomic Energy, P. O. Box 275（88）, Beijing 102413, China） Some technological operational states are monitored through the analysis of trace uranium in nuclear fuel reprocessing pilot plant,so the analysis of trace uranium plays important role in the pilot plant.Time-resolved fluorescent（TRF）method is used to analyze trace uranium in the analytical laboratory of pilot plant,but the accuracy of measuring results is not very good because of the existence of some interfering ions.For accurate determination of UO2＋2,a rapid and simple sample pretreatment method that can eliminate the influences is established,which can meet the demand of the trace uranium analysis in nuclear fuel reprocessing pilot plant.In this method,a new type of ion exchange materials—ion exchange fiber（IEF）has been used to remove the interfering ions.The sris 5%（n=6）in this work.The determination results are a |
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| PublicationTitle | 核化学与放射化学 |
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| Snippet | 后处理厂运行过程中的痕量铀样品分析受到H＋和NO-3干扰,严重影响其分析速度与准确度。本工作针对时间分辨荧光法分析痕量铀样品的主要干扰H＋和NO-3,使用离子交换纤维建立了... O657.4; 后处理厂运行过程中的痕量铀样品分析受到 H +和 NO-3干扰,严重影响其分析速度与准确度。本工作针对时间分辨荧光法分析痕量铀样品的主要干扰 H +和 NO-3,使用离子交... |
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| SubjectTerms | 时间分辨荧光法 痕量铀 离子交换纤维 |
| Title | 痕量铀分析样品的预处理方法 |
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