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GB/T 39820-2021 English PDF

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GB/T 39820-2021: Cerium bromide scintillator
Status: Valid
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GB/T 39820-2021English259 Add to Cart 3 days [Need to translate] Cerium bromide scintillator Valid GB/T 39820-2021

PDF similar to GB/T 39820-2021


Standard similar to GB/T 39820-2021

GB/T 5483   JC/T 2625   GB/T 15344   GB/T 42257   GB/T 39865   

Basic data

Standard ID GB/T 39820-2021 (GB/T39820-2021)
Description (Translated English) Cerium bromide scintillator
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard Q65
Word Count Estimation 14,113
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 39820-2021: Cerium bromide scintillator

---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.
Cerium bromide scintillator ICS 07.030 Q65 National Standards of People's Republic of China Cerium Bromide Scintillator Released on 2021-03-09 2021-10-01 implementation State Administration of Market Supervision and Administration Issued by the National Standardization Management Committee

Table of contents

Foreword Ⅰ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 Technical requirements 2 4.1 Appearance and structure 2 4.2 Flicker performance 3 4.3 Environmental adaptability 4 5 Test method 4 5.1 Appearance and structure inspection 4 5.2 Flicker performance measurement 4 5.3 Environmental test 5 6 Inspection rules 5 6.1 Inspection classification 5 6.2 Type inspection 5 6.3 Factory inspection 6 7 Marks, packaging, transportation, storage and accompanying documents 6 7.1 Mark 6 7.2 Packaging 6 7.3 Transportation 6 7.4 Storage 6 7.5 Accompanying documents 6 Appendix A (Normative Appendix) Background counting rate test method 8 Appendix B (Normative Appendix) Time Resolution Test Method 10

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by the China Building Materials Federation. This standard is under the jurisdiction of the National Intraocular Lens Standardization Technical Committee (SAC/TC461). This standard was drafted by. Beijing Research Institute of Glass, Beijing First Light Research Institute, and Materials Research Institute of China Academy of Engineering Physics. The main drafters of this standard. Hou Yueyun, Zhang Mingrong, Gui Qiang, Zhang Chunsheng, Liu Shan, Han Luhui. Cerium Bromide Scintillator

1 Scope

This standard specifies the terms and definitions, technical requirements, test methods, inspection rules, signs, packaging, transportation, and storage of cerium bromide scintillators And accompanying documents. This standard applies to cerium bromide scintillators for measuring nuclear radiation.

2 Normative references

The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article Pieces. For undated reference documents, the latest version (including all amendments) is applicable to this document. GB/T 10263-2006 Environmental conditions and test methods for nuclear radiation detectors GB/T 13181-2002 Scintillator performance measurement method GB/T 28544-2012 Packaged scintillator light output and inherent resolution measurement method

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Cerium bromide scintillation crystal cerium bromidescintilation crystal Under the action of ionizing radiation, a single crystal of cerium bromide that emits light radiation in a scintillation mode has a chemical formula of CeBr3. 3.2 Cerium bromide scintillator cerium bromidescintilator A component sensitive to ionizing radiation obtained by cerium bromide scintillation crystal through moisture-proof packaging. 3.3 Opticalwindow The part of the cerium bromide scintillator that allows the scintillation light to pass through. 3.4 Entrancewindow The incident surface of the cerium bromide scintillator that receives nuclear radiation. 3.5 Reflective layer opticalreflector In order to improve the light collection efficiency of the cerium bromide scintillator, the reflective material is wrapped around the cerium bromide scintillator crystal. 3.6 Opticalycouplingmaterial In order to efficiently transmit the light emitted by the cerium bromide scintillation crystal out of the optical window, the light transmission is added between the cerium bromide scintillation crystal and the optical window substance. 3.7 Delamination Interlayer separation caused by the destruction of adhesives, adherends, or their interfaces.

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