GB/T 12164.1-2008 English PDF

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GB/T 12164.1-2008: Reference beta radiations -- Part 1: Methods of production
Status: Valid

GB/T 12164.1: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 12164.1-2008	274	Add to Cart	3 days	Reference beta radiations -- Part 1: Methods of production	Valid
GB/T 12164-1999	519	Add to Cart	4 days	Reference beta radiations for calibrating dosemeters and doseratemeters and for determining their response as a function of beta radiation energy	Obsolete
GB/T 12164-1990	RFQ	ASK	3 days	Reference beta radiations for calibrating dosemeters and doseratemeters and for determining their response as a function of beta radiation energy	Obsolete

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Basic data

Standard ID: GB/T 12164.1-2008 (GB/T12164.1-2008)
Description (Translated English): Reference beta radiations -- Part 1: Methods of production
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: F74
Classification of International Standard: 17.240
Word Count Estimation: 14,131
Date of Issue: 2008-07-02
Date of Implementation: 2009-04-01
Older Standard (superseded by this standard): GB/T 12164-1999
Quoted Standard: ISO 6980-3; ICRU 51-1993
Adopted Standard: ISO 6980-1-2006, IDT
Regulation (derived from): Announcement of Newly Approved National Standards No. 11 of 2008 (No. 124 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 use of radionuclide source reference radiation fields produced by �� requirements. Given the characteristics of these radionuclides and appropriate example of the structure of the source, and describes the maximum residual energy of �� particles as well as in the depth of 0. 07 mm in the ICRU sphere at the dose equivalent rate measurement method. Energy range of 66keV (lower energy) ~ 3. 6MeV, dose rate ranges from about 10��Sv �� h-1 to at least 10Sv �� h-1. In addition, we also give some source dose equivalent rate with incident angle changes. This section applies to determine the HP (0. 07) and H '(0. 07) and places personal dosimeter calibration, as well as their energy response and angular response OK. GB/T 12164 Recommend this part of two series of �� reference radiation fields from which you can select the desired radiation characteristics determine the instrument.

GB/T 12164.1-2008: Reference beta radiations -- Part 1: Methods of production

---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.
Reference beta radiations Part 1. Methods of production ICS 17.240 F74 National Standards of People's Republic of China GB/T 12164.1-2008/ISO 6980-1.2006 Replacing GB/T 12164-1999 β reference radiation Part 1. Method to produce (ISO 6980-1.2006, IDT) Posted 2008-07-02 2009-04-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

GB/T 12164 "β reference radiation" is divided into three parts. --- Part 1. generating method; --- Part 2. Characterization of the radiation field and a substantial amount of relevant calibration basis; --- Part 3. Identify sites and personal dosimeters calibration as well as energy and angular response. This section GB/T 112 164 Part of this part identical with ISO 6980-1.2006 "β particle reference radiation Part 1 Score. generation method "(in English). This section is equivalent translation ISO 6980-1.2006. For ease of use, this section made the following editorial changes. --- "This part of ISO 6980" with the words "GB/T 12164 in this section"; "." --- With a decimal point instead of a comma as the decimal point, ""; --- Deleted the ISO foreword. This Part replaces GB/T 12164-1999 "for calibrating dose (rate) meters and for determining their response of β reference radiation." This section Compared with GB/T 12164-1999 main changes are as follows. --- Modify the standard name; --- Increasing the 85Kr isotope source 6.1.2 reference radiation source; --- Delete the original standard Appendices B and C. Appendix A of this section and Appendix B is an informative annex. This part is proposed by (SAC/TC58) China National Nuclear Corporation. This part of the National Standardization Technical Committee centralized nuclear energy. This section drafted by. China Institute of Atomic Energy. The main drafters of this section. Wei Kexin, Li Jingyun, Ye Hongsheng, Wang. This part of the standard replaces the previous editions are. --- GB/T 12164-1990, GB/T 12164-1999. GB/T 12164.1-2008/ISO 6980-1.2006 β reference radiation Part 1. Method to produce

1 Scope

GB/T 12164 specifies the requirements of this section β reference radiation field using radionuclide source. Given radioactive Examples of suitable properties of radionuclides and the source structure, and describes the maximum residual energy β particles and 0.07mm depth in ICRU sphere Methods of measurement of the dose equivalent rate. Energy range 66keV1) ~ 3.6MeV, dose equivalent rate ranges from about 10μSv · h -1 To Less 10Sv · h-1. In addition, some of the source are given dose equivalent rate changes with the angle of incidence. This section applies to determine Hp (0.07) And H '(0.07) and place the individual dose (rate) instrument calibration, and to determine their response to the energy and angular response. 1) energy can penetrate the lower limit of just 0.07mm [1] depth of electron energy concern. GB/T 12164 Recommended This part of two series of β reference radiation field from which you can select the instrument to determine the characteristics (calibration and determining In response to the energy and angular response) desired radiation. Series 1 by the reference radiation field with a radionuclide source beam flattening filter production, so were given a large area on the specified distance Uniform dose equivalent rate. The maximum dose equivalent rate of the source of the family include 90Sr + 90Y, 85Kr, 204Tl and 147Pm, produced about 200mSv · h-1. Series 2 plane distance calibration reference radiation field without flattening filter, the use of large area planar source, and the source to be in a certain range Within regulation. When close to these sources, only on a relatively small area of \u200b\u200bthe dose rate is uniform, but the series has a series of energy and dose rate Extended range of advantages. Radionuclides used in addition to the Series 1, the increase of 14C and 106Ru + 106Rh, dose rate up to these sources 10Sv · h-1.

2 Normative references

The following documents contain provisions which, through reference GB/T 12164 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. OK ISO 6980-3 places and personal dosimeters calibration as well as energy and angular response ICRU51.1993 Radiation protection dosimetry quantities and units

3 Terms and Definitions

ICRU51. terms and definitions established in 1993 and ISO 6980-3 apply to this section. 3.1 dε quotient obtained by dividing d m1, see equation (1). D = dε/d m1 (1) GB/T 12164.1-2008/ISO 6980-1.2006 ......

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