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GB/T 12714-2009 English PDF

Q: How long will the true-PDF of English version of GB/T 12714-2009 be delivered?

Upon your order, we will start to translate GB/T 12714-2009_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.

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Q: Should I purchase the latest version GB/T 12714-2009?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 12714-2009 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$259.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 12714-2009: Americium-241 Beryllium neutron sources
Status: Valid

GB/T 12714: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 12714-2009	259	Add to Cart	3 days	Americium-241 Beryllium neutron sources	Valid
GB/T 12714-1991	279	Add to Cart	3 days	Americium-Beryllium neutron sources	Obsolete

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Basic data

Standard ID: GB/T 12714-2009 (GB/T12714-2009)
Description (Translated English): Americium-241 Beryllium neutron sources
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: F51
Classification of International Standard: 27.120.99
Word Count Estimation: 11,168
Date of Issue: 2009-03-13
Date of Implementation: 2009-11-01
Older Standard (superseded by this standard): GB/T 12714-1991
Quoted Standard: GB 4075-2009; GB 11806; GB 15849; GBZ 125
Regulation (derived from): Announcement of Newly Approved National Standards No. 3, 2009 (No. 143 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 americium beryllium neutron source product code, product structure and specifications, technical requirements, test methods, inspection rules, marking, inspection certificates and instructions, packaging, transportation and storage, etc., This standard applies to americium-241 and americium made ??of metal beryllium beryllium neutron source, the other (��, n) neutron source category isotopes can refer to the use,

GB/T 12714-2009: Americium-241 Beryllium neutron sources

---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.
Americium-241 Beryllium neutron sources ICS 27.120.99 F51 National Standards of People's Republic of China Replacing GB/T 12714-1991 Americium-beryllium neutron source Posted 2009-03-13 2009-11-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard replaces GB/T 12714-1991 "americium-beryllium neutron source." Compared with GB/T 12714-1991, mainly in the following changes. --- Change the product code; --- The product specification table appropriate adjustments; --- Increasing the source envelope leakage inspection requirements; --- Increase the safe use of the source term requirements; --- Increased radioactive container work requirements. This standard Annex A, Annex B and Annex C is informative appendix. The standard proposed by China National Nuclear Corporation. This standard by the National Standardization Technical Committee of nuclear energy. This standard was drafted. China Institute of Atomic Energy. Drafters of this standard. Wen Zhongming. This standard replaces the previous standard release case. GB/T 12714-1991. Americium-beryllium neutron source

1 Scope

This standard specifies the product code, product structure and specifications, technical requirements, test methods, inspection rules americium beryllium neutron source, identification, inspection Certificates and instructions for use Packaging, transport and storage and so on. This standard applies to americium-beryllium neutron source americium-241 and made of metal beryllium, other (α, n) neutron source can refer to the class using the isotope.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB 4075-2009 Sealed radioactive sources - General requirements and classification GB 11806 Regulations for the Safe Transport of Radioactive Substances Leakage test methods GB 15849 sealed radioactive sources GB Z125 protection standards containing sealed sources instruments

3 Terms and Definitions

The following terms and definitions apply to this standard. 3.1 When the user presses the neutron source using a conventional purchase activity. 3.2 Press feed production accounting of neutron source activity. 3.3 The number of neutrons from neutron source produced in the body per unit time in n/s. 3.4 Minimum leakage does not occur under normal conditions of use. 3.5 Radioactive americium beryllium neutron source by oxidation of americium and beryllium metal composition having a certain geometry traits substances.

4 Product code

Americium-beryllium neutron source code consists of two components. The first part with two letters on behalf of AB americium beryllium neutron source. The second part with four digital, the first one represents the source geometry specifications, after three representatives of the neutron emission rate. As the code represents the envelope AB1206 americium beryllium neutron source is a type of neutron emission rate of 2 × 106n/s. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 12714-2009_English be delivered?

Answer: Upon your order, we will start to translate GB/T 12714-2009_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 GB/T 12714-2009_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 12714-2009_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 GB/T 12714-2009?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 12714-2009 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.