HOME   Cart(12)   Quotation   About-Us Policy PDFs Standard-List
www.ChineseStandard.net Database: 189759 (19 Oct 2025)

JJF 1744-2019 English PDF

US$349.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
JJF 1744-2019: Calibration Specification of γ Ray Spectrometers of Scintillation Detectors
Status: Valid
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
JJF 1744-2019English349 Add to Cart 3 days [Need to translate] Calibration Specification of γ Ray Spectrometers of Scintillation Detectors Valid JJF 1744-2019

PDF similar to JJF 1744-2019


Standard similar to JJF 1744-2019

GB/T 3222.1   JJG 188   JJF 1396   JJF 2017   JJF 1745   JJF 1743   

Basic data

Standard ID JJF 1744-2019 (JJF1744-2019)
Description (Translated English) Calibration Specification of �� Ray Spectrometers of Scintillation Detectors
Sector / Industry Metrology & Measurement Industry Standard
Classification of Chinese Standard A58
Classification of International Standard 17.240
Word Count Estimation 15,195
Date of Issue 2019
Date of Implementation 2019-12-27
Issuing agency(ies) State Administration for Market Regulation

JJF 1744-2019: Calibration Specification of γ Ray Spectrometers of Scintillation Detectors

---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.
(Calibration specification for scintillator detector gamma spectrometer) National Measurement Technical Specification of the People's Republic of China Calibration specification for scintillator detector gamma spectrometer 2019-09-27 release 2019-12-27 Implementation Issued by the State Administration of Market Supervision and Administration Calibration specification for scintillator detector gamma spectrometer Centralized unit. National Technical Committee on Ionizing Radiation Measurement Drafting unit. Shanghai Institute of Metrology and Testing Technology Chinese Academy of Metrology This specification entrusts the National Ionizing Radiation Measurement Technical Committee to interpret The main drafters of this specification. He Linfeng (Shanghai Institute of Metrology and Testing Technology) Tang Fangdong (Shanghai Institute of Metrology and Testing Technology) Liang Juncheng (Chinese Academy of Metrology) Participating drafters. Lu Xiaojun (Shanghai Institute of Metrology and Testing Technology) Liu Haoran (Chinese Academy of Metrology)

table of Contents

Introduction (Ⅱ) 1 Scope (1) 2 References (1) 3 Terms and units of measurement (1) 3.1 Terminology (1) 3.2 Unit of measurement (1) 4 Overview (1) 5 Metrological characteristics (2) 5.1 Energy resolution (2) 5.2 Background (2) 5.3 Activity response/indication error (2) 6 Calibration conditions (2) 6.1 Environmental conditions (2) 6.2 Measurement standards (2) 7 Calibration items and calibration methods (2) 7.1 Background (2) 7.2 Energy resolution (3) 7.3 Activity response/display error (3) 8 Expression of calibration results (4) 9 Recalibration time interval (4) Appendix A Recommended Format of Calibration Record (5) Appendix B. Internal content of calibration certificate (6) Appendix C Examples of Uncertainty Evaluation of Activity Response Calibration (7)

Introduction

This specification is prepared in accordance with JJF 1071-2010 "Rules for Compiling National Measurement and Calibration Specifications". The preparation of this specification mainly refers to JJF 1001-2011 "General Measurement Terms and Definitions", GB/T 4960.6- 2008 "Nuclear Science and Technology Terms Part 6. Nuclear Instruments", IEC 61453..2007 "Nuclear Instruments Radioactivity Calibration and routine testing of scintillator gamma detector system for radionuclide analysis (Nuclearinstrumentation-Scintil- lationgammaraydetectorsystemsfortheassayofradionuclides-Calibrationand routinetests) and other standards and specifications. This specification is the first release. Calibration specification for scintillator detector gamma spectrometer

1 Scope

This specification applies to the calibration of scintillator detector gamma spectrometers with an energy measurement range of (59 ~ 3000) keV, Scintillator detectors include sodium iodide detector, bismuth germanate detector, lanthanum bromide detector, etc.

2 Reference documents

This specification refers to the following documents. JJF 1001-2011 General Measurement Terms and Definitions GB/T 4960.6-2008 Nuclear science and technology terminology Part 6. Nuclear instrumentation IEC 61453..2007 Calibration and routine of scintillator gamma detector system for nuclear instrument radionuclide analysis Test (Nuclearinstrumentation-Scintilationgammaraydetectorsystemsfortheassay ofradionuclides-Calibrationandroutinetests) For dated reference documents, only the dated version applies to this specification; for those without date references The latest version (including all amendments) is applicable to this specification.

3 Terms and units of measurement

3.1 Terminology The terms and definitions defined in JJF 1001-2011, GB/T 4960.6-2008 and the following apply to this specification. 3.1.1 background The reading of the instrument when there is no tested sample. 3.1.2 countrate The count of the instrument per unit time. 3.1.3 Width of full width at full widthathalfmaximum In the pulse height spectrum, the distance between the abscissas of two points at half of the peak of a single peak. 3.2 Unit of measurement 3.2.1 [Radioactivity] Activity. Becco [Leer]; Symbol. Bq. 3.2.2 [Radioactivity] Specific activity. Beco per kilogram; Symbol. Bq · kg-1.

4 Overview

The scintillator detector gamma spectrometer consists of a detector, a lead shielded room, a high-voltage power supply, a linear amplifier, a multi-channel analyzer, Spectral analysis and processing software, operation control and display system, etc., the detector material usually uses NaI (Tl), BGO, LaBr3, etc. The electrical pulse signal generated by the interaction between γ-ray and detector is analyzed and recorded by the electronic system Record, form a gamma spectrum, and after energy and efficiency calibration, the radionuclide in the sample can be identified and determined by the gamma spectrum Its activity. The scintillator detector gamma spectrometer is mainly used in the construction of decorative materials, environmental and biological samples of gamma radionuclide

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of JJF 1744-2019_English be delivered?

Answer: Upon your order, we will start to translate JJF 1744-2019_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of JJF 1744-2019_English with my colleagues?

Answer: Yes. The purchased PDF of JJF 1744-2019_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to [email protected]. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.