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GB/T 12162.4-2010 English PDF

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GB/T 12162.4-2010: X and gamma reference radiation for calibrating dosimeters and dose rate meters and for determining their response as a function of photon energy -- Part 4: Calibration of area and personal dosimeters in low energy X reference radiation fields
Status: Valid
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GB/T 12162.4-2010English414 Add to Cart 4 days [Need to translate] X and gamma reference radiation for calibrating dosimeters and dose rate meters and for determining their response as a function of photon energy -- Part 4: Calibration of area and personal dosimeters in low energy X reference radiation fields Valid GB/T 12162.4-2010

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Basic data

Standard ID GB/T 12162.4-2010 (GB/T12162.4-2010)
Description (Translated English) X and gamma reference radiation for calibrating dosimeters and dose rate meters and for determining their response as a function of photon energy -- Part 4: Calibration of area and personal dosimeters in low energy X reference radiation fields
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard F85
Classification of International Standard 17.240
Word Count Estimation 21,240
Date of Issue 2010-11-10
Date of Implementation 2011-05-01
Quoted Standard GB/T 12162.1-2000; GB/T 12162.2-2004; GB/T 12162.3-2004; JJF 1059; ICRU 51
Adopted Standard ISO 4037-4-2004, IDT
Regulation (derived from) Announcement of Newly Approved National Standards No. 8 of 2010 (total 163)
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 reference in the low-energy X-ray radiation field calibration sites and individual dose (rate) instrument and to identify sites and individual dose (rate) instrument energy response and angular response approach. This section provides accurately determine the low-energy photon radiation spectrum from the air kerma to Hp (10) and H "(10) conversion factor, as well as through the appropriate standard instrument calibration based on these methods is directly in this section applies to the low-energy X-ray radiation field calibration reference sites and individual dose (rate) instrument and to identify sites and individual dose (rate) instrument energy response and angular response.

GB/T 12162.4-2010: X and gamma reference radiation for calibrating dosimeters and dose rate meters and for determining their response as a function of photon energy -- Part 4: Calibration of area and personal dosimeters in low energy X reference radiation fields



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X and gamma reference radiation for calibrating dosemeters and doserate meters and for determining their response as a function of photon energy.Part 4. Calibration of area and personal dosemeters in low energy X reference radiation fields ICS 17.240 F85 National Standards of People's Republic of China For calibrating dosemeters and dose rate meter and Determining their response of X and γ reference radiations Part 4. low-energy X-ray radiation reference field Place and personal dosimeters calibration photonenergy-Part 4. Calibrationofareaandpersonaldosemeters (ISO 4037-4.2004, IDT) Issued on. 2010-11-10 2011-05-01 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 4 Symbols 2 General Method 5 calibration and determine the response of 3 Generation and low energy X reference radiation characteristics 6 4 6.1 Overview 4 6.2 Voltage 4 6.3 radiation field uniformity and scattered radiation 5 6.4 spectral fluence and conversion factor of 5 7 low energy reference radiation dosimetry 5 7.1 Overview 5 Use standard instrument 7.2 5 8 calibration response and determining the energy and angular response of 5 8.1 Overview 5 Select calibration method 8.2 of 5 8.3 with standard measuring instrument calibration Ka 6 8.4 with a standard measurement instrument calibration ICRU dose equivalents 8 8.5 9 Expression of Uncertainty Appendix A (normative) air density correction 11 Annex B (informative) Measurement of pulse amplitude spectrum 15 References 17

Foreword

GB/T 12162 "for calibrating dosemeters and dose rate meters and for determining their response of X and γ reference radiations" is divided into four parts. --- Part 1. Radiation characteristics and production methods; --- Part 2. Energy range of radiation protection is 8keV ~ 1.3MeV and 4MeV ~ 9MeV reference radiation dose Measurement; --- Part 3. place dosimeters and personal dosimeters calibration response to determining its energy and angular response; --- Part 4. low-energy X-ray radiation reference field sites and personal dosimeters calibration. This section GB/T Part of 412,162. This part of GB/T 12162 other part has a close relationship. GB/T 12162.1-2000 describes a photon reference radiation Production and characteristics; GB/T 12162.2-2004 describes the reference radiation dosimetry; GB/T 12162.3-2004 depicts a International Commission on Radiation Units and Measurements (ICRU) the amount of practical radiation protection [1,2,3] and determine the calibration dosimeters and dose rate meter response process Preface; GB/T 12162.4 described for low-energy X reference radiation field of special methods. This part identical with ISO 4037-4.2004 "for calibrating dosemeters and dose rate meters and for determining their response of X and γ reference Radiation - Part 4. low-energy X-ray radiation reference field sites and personal dosimeters calibration. " Compared with the original standard, only a series Series of modified to comply with the relevant requirements of national standards, the main change is as follows. --- Delete the original standard foreword and introduction; --- Other adaptations. Appendix A of this section is normative appendix, Appendix B is an informative annex. This part is proposed by the China National Nuclear Corporation. This part of the National Nuclear Energy Standardization Technical Committee (SAC/TC58) centralized. This section drafted by. China Institute of Atomic Energy. The main drafters of this section. Wei Kexin, Song Mingzhe, Liu Qiaofeng, Houjin Bing. For calibrating dosemeters and dose rate meter and Determining their response of X and γ reference radiations Part 4. low-energy X-ray radiation reference field Place and personal dosimeters calibration

1 Scope

This section GB/T 12162 specifies the reference in the low energy X-ray radiation field calibration options and personal dose (rate) meters and determining field The individual dose (rate) meter energy response and angular response of the method. This section provides an accurate determination of low energy photon radiation spectrum from the air kerma Kinetic energy to Hp (10) and H * (10) of the conversion coefficient, and a method of directly by an appropriate instrument calibration standard according to these quantities. This section applies to low-energy X-ray radiation field calibration reference sites and personal dose (rate) meters and to determine places and personal dose (Rate) meter energy response and angular response.

2 Normative references

The following documents contain provisions which, through reference GB/T 12162 in this section constitute provisions of this section. For dated reference documents Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this section. X and γ GB/T 12162.1-2000 for calibrating dosemeters and dose rate meters and for determining their response reference radiation first Part I. Radiation characteristics and production methods (idtISO 4037-1.1996) X and γ GB/T 12162.2-2004 for calibrating dosemeters and dose rate meters and for determining their response reference radiation 2 Parts. the energy range of radiation protection is 8keV ~ 1.3 MeV and 4 MeV ~ 9 MeV reference radiation dosimetry (ISO 4037-2.1997, IDT) GB/T 12162.3-2004 for calibrating dosemeters and dose rate meters and for determining their response of X and γ reference radiations 3 Part. place dosimeters and personal dosimeters calibrated response and its energy and angular response is determined (ISO 4037-3.1999, IDT) JJF1059 Measurement Uncertainty and representation No. ICRU51 report quantities and units of radiation protection dosimetry

3 Terms and Definitions

And the following terms and definitions GB/T 12162.3-2004 established applicable to this section. 3.1 Low-energy X-ray reference radiation lowenergyX-rayreferenceradiation GB/T 12162.1-2000 and GB/T 12162.3-2004 specified nominal tube voltage lower than 30kV (including 30kV) by Radiation quality. Note. These radiation qualities for all filters and fluorescence radiation beam reference reference radiation. 3.2 Spectral fluence spectralfluence Fluence Φ function of photon energy E distribution. ΦE = dΦdE (1)

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