ObsoleteGo to latest versionJJF 1344-2023

JJF 1344-1990O.T.N. of Secondary Standard for 2πα 2πβ Particle Emission Rate (English PDF)

2πα、2πβ粒子发射率副基准操作技术规范

JJF 1344 | Evolution and historical versions

Std ID	Title	Status
JJF 1344-2023	Production of Gas Reference Materials	Valid
JJF 1344-2012	General Technical Requirements for Producing Gas Reference Materials	Obsolete
JJF 1344-1990	O.T.N. of Secondary Standard for 2πα 2πβ Particle Emission Rate	Obsolete

JJF 1344-1990 is obsolete. It has been replaced by JJF 1344-2012. This page sells the obsolete edition, for projects and contracts that still cite it.

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Issued by

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

Level / Type

National · Mandatory

Issue date

January 1, 1990

Implementation date

October 1, 2002

Scope

JJF 1344-1990 is the English-translated version of 2πα、2πβ粒子发射率副基准操作技术规范.

JJF 1344-1990 is the Chinese metrological standard "O.T.N. of Secondary Standard for 2πα 2πβ Particle Emission Rate". It was issued on January 1, 1990 by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, and took effect on October 1, 2002. It is obsolete: it has been replaced by JJF 1344-2012.

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Document preview — JJF 1344-1990

National Standard of the People's Republic of China

Issued by: General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

Document data

1 Document data

Sector: Metrological Specs (metrological standard).

Issuing body: General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China.

Date of issue: 1990-01-01.

Date of implementation: 2002-10-01.

Status: obsolete, replaced by JJF 1344-2012.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.

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