Application of the Solid Polymer Electrolysis Enrichment Method for Low Level Tritium in Environmental Water and the Calculation of Tritium Specific Activity

WANG Hua; YIN Jian-jun; YANG Hui; LIN Yu; YING Qi-he; WEN Yun-zhao

Rock and Mineral Analysis > 2011 > 30(6): 745-750.

WANG Hua, YIN Jian-jun, YANG Hui, LIN Yu, YING Qi-he, WEN Yun-zhao. Application of the Solid Polymer Electrolysis Enrichment Method for Low Level Tritium in Environmental Water and the Calculation of Tritium Specific Activity[J]. Rock and Mineral Analysis, 2011, 30(6): 745-750.

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Application of the Solid Polymer Electrolysis Enrichment Method for Low Level Tritium in Environmental Water and the Calculation of Tritium Specific Activity

1.
Institute of Karst Geology, Chinese Academy of Geological Sciences, Guilin 541004, China
2.
Institute of Karst Geology, Chinese Academy of Geological Sciences, Guilin 541004, China
3.
Key Laboratory of Karst Dynamics, Ministry of Land and Resources, Guilin 541004, China
4.
School of Geographical Sciences, Southwest University, Chongqing 400715, China
5.
Institute of Karst Geology, Chinese Academy of Geological Sciences, Guilin 541004, China
6.
Institute of Karst Geology, Chinese Academy of Geological Sciences, Guilin 541004, China
7.
Institute of Karst Geology, Chinese Academy of Geological Sciences, Guilin 541004, China
8.
The Representative Place of Tianjin, The Second Artillery, Tianjin 300192, China

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Received Date: April 14, 2011

Abstract

ABSTRACT

By using the solid polymer electrolysis (SPE) enrichment method and measuring instrument, it is possible to obtain accurate measurements of tritium specific activity for low level tritium sample. However, the differences between current treatment methods for tritium increase uncertainty of the tritium concentrations. In this paper, the methods of SPE electrolysis and alkali electrolysis enrichment (ASE) are used to compare the research results of tritium specific activity for low level environmental water. The reliability of the SPE electrolysis method was improved by using structure optimized apparatus. In order to avoid large uncertainties calculated by the national standard method, the conception of dead volume was introduced into the data processing of the recovery rate for tritium, which improved the stability of the SPE electrolysis method and accuracy of the calculation result.
- tritium,
- specific,
- activity

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Application of the Solid Polymer Electrolysis Enrichment Method for Low Level Tritium in Environmental Water and the Calculation of Tritium Specific Activity

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