GB/T 7023-2011Standard test method for leachability of low and intermediate level solidified radioactive waste forms (English PDF)
低、中水平放射性废物固化体标准浸出试验方法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
December 30, 2011
Implementation date
June 1, 2012
Scope
GB/T 7023-2011 is the English-translated version of 低、中水平放射性废物固化体标准浸出试验方法.
GB/T 7023-2011 is the Chinese standard "Standard test method for leachability of low and intermediate level solidified radioactive waste forms".
Its scope clause reads: This standard specifies under laboratory conditions, low and intermediate level radioactive waste form (hereinafter referred to as waste cured body) leaching behavior detection Test methods measured.
This standard applies to compare and evaluate the leach resistance of waste form under controlled laboratory conditions, specific uses include.
Comparative leaching test results a) for different types or different composition of waste form; b) for different laboratory leaching test results of the same waste form alignments; c) leaching test used to compare the results obtained with different curing process the waste form. Its clauses include terms and definitions.
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Document preview — GB/T 7023-2011
National Standard of the People's Republic of China
- ICS
- 13.280
- Classification
- F 70
- Replacing
- GB/T 7023-1986
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Test equipment and sample preparation
- 4.1 leachant
- 4.2 Leaching container
- 4.3 Sample Preparation
- 5 3 leaching tests
- 5.1 Sample Measurement
- 5.3 3 leaching temperature
- 5.4 Replacing the leaching agent
- 5.5 replacement cycle
- 5.6 Leaching deadline
- 5.7 Data Processing
- 6 Test Report
- 6.1 Test Sample
- 6.2 leaching agents and leachate
- 6.3 Leaching Procedure
- 6.4 Analysis
- 6.5 Leaching test results
- Appendix A (informative) short-term leach method
- Annex B (informative) leach test report
1 Scope
This standard specifies under laboratory conditions, low and intermediate level radioactive waste form (hereinafter referred to as waste cured body) leaching behavior detection
Test methods measured.
This standard applies to compare and evaluate the leach resistance of waste form under controlled laboratory conditions, specific uses include.
Comparative leaching test results a) for different types or different composition of waste form;
b) for different laboratory leaching test results of the same waste form alignments;
c) leaching test used to compare the results obtained with different curing process the waste form.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB 14569.1 low and intermediate level radioactive waste form performance cement cured body
GB 14569.3 low and intermediate level radioactive waste form performance requirements Bitumen solidified
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1 Leaching rate
Rate of dissolution or erosion of the material, or by solid diffusion rate of release, it can be used to measure the rate of release of radionuclides, anti
Durability enantiomers waste form, in centimeters per day (cm/d).
3.2 Cumulative leaching fraction
Within a specific cumulative leaching time, leaching unit of surface area on the cumulative share of nuclides in centimeters (cm).
3.3 The specific surface area
Volume of the sample divided by the total area of the sample, in units per centimeter (cm-1).
3.4 Leaching agent leachant
Leaching tests for fresh liquid in contact with the waste form the sample, its components meet the requirements of 4.1.
3.5 Leachate
After leaching test sample in contact with the waste form, in accordance with the leaching time Replace the solution contained in the solution to be analyzed discharge
Radionuclides or radionuclide tracers.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Similar standards
Editions of GB/T 7023
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 7023-2011 | Standard test method for leachability of low and intermediate level solidified radioactive waste forms | current edition | Current |
| GB/T 7023-1986 | Standard test method for leachability of low and intermediate level solidified radioactive waste forms | previous edition | Superseded |
This page sells the current edition, GB/T 7023-2011. Earlier editions are listed for reference only.
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