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JJF 1249-2010 English PDF

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Q: Should I purchase the latest version JJF 1249-2010?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version JJF 1249-2010 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.

US$279.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
JJF 1249-2010: Calibration specification for radioactive solutions
Status: Valid

JJF 1249: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JJF 1249-2010	279	Add to Cart	3 days	Calibration specification for radioactive solutions	Valid
JJF 1249-1990	199	Add to Cart	2 days	O.T.N. of the Primary Standard for the Vickers Hardness	Obsolete

Similar standards

GB/T 3222.1 JJG 188 JJF 1396 JJF 2017 JJF 1248 JJF 1241

Basic data

Standard ID: JJF 1249-2010 (JJF1249-2010)
Description (Translated English): Calibration specification for radioactive solutions
Sector / Industry: Metrology & Measurement Industry Standard
Classification of Chinese Standard: A58
Classification of International Standard: 17.240
Word Count Estimation: 12,143
Date of Issue: 2010-05-11
Date of Implementation: 2010-08-11
Quoted Standard: EJ/T 806-1993; GB/T 9226-1988; JJF 1035-2006; JJF 1071-2000; JJG 751-1991; JJG 575-1994
Regulation (derived from): AQSIQ Announcement No. 50 of 2010
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine
Summary: This standard applies to the activity range (10 ~ 10 10) Bq, analytical measurement devices used to calibrate radiation detection efficiency calibration of radioactive solution.

JJF 1249-2010: Calibration specification for radioactive solutions

---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 radioactive solutions People's Republic of China National Metrology Technical Specifications Radioactive Calibration Specification Issued on. 2010-05-11 2010-08-11 implementation The State Administration of Quality Supervision, Inspection and Quarantine released Radioactive Calibration Specification CalibrationSp This specification by the State Administration of Quality Supervision, Inspection and Quarantine approved on May 11, 2010, and from From August 11, 2010 into effect. Focal point. the National Technical Committee of ionizing radiation metrology Drafting units. China Institute of Metrology This specification commissioned the National Technical Committee is responsible for ionizing radiation measurement interpretation The main drafters of this specification. Zhao Qing (China Institute of Metrology) Drafters participate. Section Yang (China Institute of Metrology) Chun Long (China Institute of Metrology)

1 Scope (1) 2. Referenced Documents (1) 3 terminology and units of measurement (1) 3.1 The term (1) 3.2 units of measurement (1) 4 Overview (1) 5 Metrological characteristics (2) Radionuclide purity of 5.1 (2) 5.2 Radioactivity (2) 5.3 Appearance (2) Calibration Condition 6 (2) 6.1 environmental conditions (2) 6.2 (measured), and other standard equipment (2) 7 calibration items and calibration methods (3) 7.1 Visual inspection (3) 7.2 Radioactivity (3) Radionuclide purity 7.3 (3) 8 calibration results expression (4) 9 Recalibration interval (4) Appendix A calibration certificate content and format of the text (5) Appendix B Measurement Uncertainty method of Example (6) Radioactive Calibration Specification

1 Scope

This calibration specifications applicable to the activity in the range of (10 ~ 1010) Bq, used to calibrate the measuring device detects the radioactive analysis Calibration of radioactive solution efficiency.

2 Citations

[1] EJ/T 806-1993 standard solution of radioactive General Conditions [2] GB/T 9226-88 standard inspection certificate radioactive sources [3] JJF 1035-2006 ionizing radiation measurement terms and definitions [4] JJF 1071-2000 National Calibration Specifications writing rules [5] JJG751-1991 4πγ ionization chamber activity standard means test procedures [6] JJG575-1994 germanium γ Spectrometer activity measuring device verification procedures When using this specification it should be noted that using the currently valid version of the documents cited.

3 terminology and units of measurement

3.1 Terms 3.1.1 radioactivity activity Determining at a time, a certain amount of energy state Radionuclides A is divided by dN dt Commercial, where dN is the energy state in the time interval dt on the number of spontaneous nuclear transitions expectations that A = dN/dt. unit Name Bq [Harrell], symbol Bq, 1Bq = 1s-1. 3.1.2 background background Due to the non-measured physical quantity signal. 3.1.3 radionuclide purity radionuclidepurity A nuclide radioactivity ratio of the total activity of the radioactive substance. 3.1.4 half-life halflife A single radioactive decay, radioactivity decreased to half of its original value at the time of need. 3.2 units of measurement Radioactivity (activity) of the unit. Bq [Harrell], symbol Bq.

4 Overview

Radioactive solution has certain chemical and physical properties, which activity is to use the value of one or more measurement method Accurate measurements are given, widely used in various fields of nuclear science and technology, often with the use of various types of nuclear instruments. radiation Of the solution should be stable, even when using the applicability and convenience. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of JJF 1249-2010_English be delivered?

Answer: Upon your order, we will start to translate JJF 1249-2010_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 1249-2010_English with my colleagues?

Answer: Yes. The purchased PDF of JJF 1249-2010_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 Sales@ChineseStandard.net. 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.

Question 5: Should I purchase the latest version JJF 1249-2010?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version JJF 1249-2010 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.