GB/T 16640-2008 English PDF

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GB/T 16640-2008: Standard guide for selection and calibration of dosimetry systems for radiation processing
Status: Valid

GB/T 16640: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 16640-2008	594	Add to Cart	4 days	Standard guide for selection and calibration of dosimetry systems for radiation processing	Valid
GB/T 16640-1996	559	Add to Cart	4 days	Standard guide for selection and calibration of dosimetry system for radiation processing	Obsolete

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Basic data

Standard ID: GB/T 16640-2008 (GB/T16640-2008)
Description (Translated English): Standard guide for selection and calibration of dosimetry systems for radiation processing
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: A58
Classification of International Standard: 17.240
Word Count Estimation: 30,388
Date of Issue: 2008-09-19
Date of Implementation: 2009-08-01
Older Standard (superseded by this standard): GB/T 16640-1996
Adopted Standard: ISOASTM 51261-2002, IDT
Regulation (derived from): Announcement of Newly Approved National Standards No. 16 of 2008 (No. 129 overall)
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the y -rays, X-rays and electron beam radiation processing for measuring absorbed dose dosimetry system selection and calibration of the basic principles. This standard gives a commercial for calibration and quality assurance in radiation processing dosimetry system type, formulation absorbed dose and dose measurement uncertainty evaluation. See related analytical instruments calibrated dose measurement system standards. This standard measurement of absorbed dose limit of 1000 kGy, radiation energy range of 0. 1 MeV-50 MeV (photons and electrons).

GB/T 16640-2008: Standard guide for selection and calibration of dosimetry systems for radiation processing

---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.
Standard guide for selection and calibration of dosimetry systems for radiation processing ICS 17.240 A58 National Standards of People's Republic of China GB/T 16640-2008/ISO /ASTM51261.2002 Replacing GB/T 16640-1996 Dosimetry systems for radiation processing Selection and calibration guidelines (ISO /ASTM51261.2002, IDT) Posted 2008-09-19 2009-08-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Table of Contents

Introduction Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 2 4 4 Meaning and Purpose Classification and application of dosimeters 4 5 Select 6 Dosimetry System 5 7 analytical instrument calibration and performance verification 6 8 calibration of dosimetry systems 6 9 products absorbed dose formulation 11 10 Basic documentation requirements 11 11 12 Measurement Uncertainty Keywords 12 12 Appendix A (informative) absorbed dose formulation 13 Annex B (informative) additional dose is determined 16 Annex C (informative) Sources of Uncertainty 17 Annex D (informative) dosimeters characteristic example 18 Methods Appendix E (normative) measure dose response rate of 22 References 23 GB/T 16640-2008/ISO /ASTM51261.2002

Foreword

This standard is identical with ISO /ASTM51261.2002 "guide selection and calibration of dosimetry systems for radiation processing is" (in English). For ease of use, this standard made the following editorial changes. a) prepared in accordance with Chinese customary for some format has been modified. b) for ISO /ASTM51261. other international standards cited in 2002 have been adopted as the equivalent of a standard, this standard with References of these national standards or industry standards corresponding to international standards in place, the rest not tantamount to the adoption of the standards of China International standards in this standard are a direct reference. c) the original number of international standards in Appendix A1, A2, A3, A4, A5 to Appendix A, Appendix B, Appendix C, Appendix D, Appendix E. This standard replaces GB/T 16640-1996 "dosimetry systems for radiation processing Selection and Calibration Guide." This standard GB/T 16640-1996 main changes are as follows. --- Redefined the standard "meaning and purpose" (1996 version 4.1,4.2,4.3; Excerpts 4.1,4.2,4.3); --- Standard dosimeter broken reference standard dosimeters and transfer standard dosimeter, an increase of the reference dosimeter reference dosimeter Define (1996 Version 5.1; Excerpts 5.1,5.1.1,5.1.2); --- Added "Common Criteria" and "additional criteria work dosimeter measurement system" dosimeter Measurement system selection (see Chapter 6); --- Increasing the dose calibration of the measuring system "provides procedures, protocols and staff training" provisions (see 8.1.2); --- Increase the response rate to determine the absorbed dose and dose response transfer provisions (see 8.4 and 8.5); --- Increasing the provision of basic documentation requirements (see 10.5, 10.6, and 10.7); --- Increased Evaluative Principles of Measurement Uncertainty (see Chapter 11); --- Increase the informative appendix "absorbed dose of expression" (see Appendix A); --- Increase the informative appendix "Additional doses OK" (see Appendix B); --- Added Appendix "method of measuring the dose rate response" informative (see Appendix E). The Standard Appendix A, Appendix B, Appendix C, Appendix D, Appendix E is an information appendix. The standard proposed by China National Nuclear Corporation. This standard by the National Standardization Technical Committee of nuclear energy. This standard was drafted. China Institute of Metrology. The main drafters. Zhang Hui, Zhang Yanli, summer shading, Liu Zhi cotton. This standard replaces the previous standard edition published case. GB/T 16640-1996. GB/T 16640-2008/ISO /ASTM51261.2002 Dosimetry systems for radiation processing Selection and calibration guidelines

1 Scope

1.1 standard specifies the γ-ray, X-ray and electron beam radiation processing for selecting the measurement of absorbed dose and dose measurement system The basic principle of the calibration. This standard gives the commercial type for calibration and quality assurance in radiation processing dosimetry systems, absorbents Uncertainty Evaluation Method and dose measurement of the expression amount. Calibration of analytical instruments in the relevant standard dose measurement system. 1.2 This standard measure absorbed dose limit of 1000kGy; radiant energy in the range of 0.1MeV ~ 50MeV (photons and electrons). Use 1.3 standard should be integrated with the application-specific standard dosimetry systems. 1.4 This standard does not include neutron dosimetry for radiation processing or heavy charged particles. 1.5 standard does not address safety issues associated with the user (if it exists). Users of this standard is responsible for establishing the applicable safety and health Health standards, and prior to use to determine the applicable limits.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 16509 doses of radiation processing of Measurement Uncertainty guidelines (GB/T 16509-2008, ISO /ASTM51707. 2005, IDT) GB/T 16510 radiation processing dosimetry calibration laboratory competency requirements (GB/T 16510-2008, ISO /ASTM51400. 2002, IDT) GB/T 16639 -EPR alanine dosimetry system using standard methods (GB/T 16639-2008, ISO /ASTM51607. 2004, IDT) GB/T 16841 energy of 300keV ~ 25MeV electron beam radiation processing dosimetry guidelines (GB/T 16841-2008, ISO /ASTM51649.2005, IDT) ASTME170 radiation dose measurement and academic language ASTME178 practice handling outlier observations ASTME456 volume and statistical terms The method of calculation of X or γ-ray absorbed dose ASTME666 ASTME668 using thermoluminescence (TLD) dosimetry systems for electronic equipment to determine the absorbed dose of radiation damage test in practice ASTME1026 use standards Frick standard dosimetry system Practice ISO /ASTM51204 for food processing γ radiation dose measurement device ISO /ASTM51275 use color film radiation dose measurement system with standard practice ISO /ASTM51276 using polymethylmethacrylate dosimetry system with standard practice ISO /ASTM51310 using radiation chemistry optical waveguide dosimetry system Practice ISO /ASTM51431 electron beam and bremsstrahlung dosimetry equipment for food processing practices ISO /ASTM51538 chlorobenzene - Practice ethanol dose measurement system ISO /ASTM51540 using chemical liquid radiation dose measurement system practice Electron beam dose measurements and dosimeter calibrations practice ISO /ASTM51631 amount of thermal dosimetry system GB/T 16640-2008/ISO /ASTM51261.2002 ......

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