JJF 1344-2012 (English Version) PDF

Standard No.: JJF 1344-2012
Language: Chinese, Available in English version
Release Date: 2012
Published By: National Metrological Technical Specifications of the People's Republic of China
Status: Be replaced 2023-12
Replace By: JJF 1344-2023
Latest: JJF 1344-2023

Scope: This specification specifies general technical requirements for the preparation of gas reference materials, uniformity and stability assessment, value determination, comparison verification, uncertainty assessment, packaging and storage, certificate and label production, etc. It is applicable to the first-level packaging of gas cylinders. , Development (production) work of secondary gas reference materials.

JJF 1344-2012 Referenced Document

GB 16804-2011 Precautionary labels for gas cylinders
GB/T 10248-2005 Gas analysis.Preparation of calibration gas mixtures.Static volumetric methods
GB/T 10628-2008 Gas analysis.Comparison methods for determining and checking the composition of calibration gas mixtures
GB/T 14070-1993 Gas analysis.Preparation of calibration gas mixtures.Manometric method
GB/T 5274-2008 Gas analysis.Preparation of calibration gas mixtures.Gravimetric method
GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values
ISO Guide 35 Certification of reference materials — General and statistical principles*， 2017-08-21 Update
JJF 1005 General Terms and Definitions Used in Connection with Reference Materials*， 2016-11-30 Update
JJF 1006 Technical Norm of Primary Reference Material
JJF 1186-2007 The Rules for Drafting of Contents for Certificates and Labels of Certified Reference Materials

2023 JJF 1344-2023 Production of Gas Reference Materials
2012 JJF 1344-2012 General Technical Requirements for Producing Gas Reference Materials
1970 JJF 1344-1990 2πα, 2πβ particle emission rate sub-benchmark operation technical specification