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SN/T 2716-2010: Determination of natural radionuclides in building materials for import and export
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| SN/T 2716-2010 | English | 259 |
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Determination of natural radionuclides in building materials for import and export
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SN/T 2716-2010
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PDF similar to SN/T 2716-2010
Standard similar to SN/T 2716-2010 GB/T 35843 JG/T 481 JC/T 694 Basic data | Standard ID | SN/T 2716-2010 (SN/T2716-2010) | | Description (Translated English) | Determination of natural radionuclides in building materials for import and export | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | Q04 | | Classification of International Standard | 91.100 | | Word Count Estimation | 10,195 | | Date of Issue | 2010-11-01 | | Date of Implementation | 2011-05-01 | | Quoted Standard | GB 6566-2001; JJG 417-2006 | | Regulation (derived from) | National Quality Inspection (2010) 582 | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies the import and export of natural radionuclides in building materials radium-226, thorium-232, potassium-40 specific activity detection method. This standard applies to inorganic non-metallic materials such as natural stone, sand, lime, gypsum, clay, cement, concrete products, brick, tile, concrete, building ceramics, coatings containing natural ingredients, including natural materials wall materials, used in the construction of industrial waste, industrial waste containing building materials and so on. | SN/T 2716-2010: Determination of natural radionuclides in building materials for import and export
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Determination of natural radionuclides in building materials for import and export
People's Republic of China Entry-Exit Inspection and Quarantine Standards
Import and export supplies of natural radionuclide detection method
Issued on. 2010-11-01
2011-05-01 implementation
People's Republic of China
The State Administration of Quality Supervision, Inspection and Quarantine released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard is proposed and managed by the National Certification and Accreditation Administration Committee.
This standard was drafted. People's Republic of China Shandong Entry-Exit Inspection and Quarantine, Shenzhen People's Republic of China
Bureau, People's Republic of China Xinjiang Exit Inspection and Quarantine.
The main drafters of this standard. terrestrial, Qu Zhiyong, Shao Jianqiang, Gengjin Pei, Ren Guang Yi, Gao Jianmin, book Luo Hong, Zhang Chu Fu, Wan Anthony.
This standard is the first release of the entry-exit inspection and quarantine industry standards.
Import and export supplies of natural radionuclide detection method
1 Scope
This standard specifies the import and export of natural radionuclides in building materials radium-226, thorium-232, potassium-40 ratio detection method of activity.
This standard applies to inorganic non-metallic materials such as natural stone, sand, lime, gypsum, clay, cement, concrete products, brick, tile, concrete
Soil, building ceramics, paints containing natural ingredients, with natural materials wall materials, industrial waste used in construction, building materials containing industrial waste
And other materials.
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 6566-2001 construction materials radionuclide limited
JJG417-2006 γ spectrometer
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
Building materials buildingmaterials
Civil engineering and building materials used in the project. Building materials covered by this standard is restricted inorganic non-metallic materials.
3.2
Natural radionuclides naturalradionuclides
Naturally occurring radionuclides. Within the usual time frame that its activity is constant.
3.3
Radioactivity specificactivity
Sample some nuclide radioactivity ratio of the mass of the sample. Sample unit used to measure radioactivity levels of quality.
3.4
Background background
Due to the non-measured physical quantity measurement event. This standard is referred to this refers to the end of a radioactive sample inter alia cited sources and cosmic rays
From the γ-ray Full peak spectral data.
3.5
Passive efficiency calibration sourcelessefficiencycalibration
With γ spectrometer measuring radionuclide activity than, the standard does not use radioactive materials, the use of computer simulation calculation method of exploration
Absolute detection efficiency were instrumental scale method.
3.6
Width at half maximum (FWHM) fulwidthathalfmaximum
On unimodal distribution curve is just constituted, the horizontal distance between two points at half peak. This keyword is used to measure the probe
Is the ability to distinguish between an incident particle energy.
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