GB/T 8979-2008: Pure nitrogen and high purity nitrogen and ultra-pure nitrogen

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Scope

This Standard specifies the technical requirements, test methods, as well as packaging,
marking, storage, safety warning of pure nitrogen, high purity nitrogen and ultra pure
nitrogen products.
This Standard applies to gaseous or liquid pure nitrogen, high purity nitrogen and
ultra-pure nitrogen obtained from air separation or purification. They are mainly used as
the protective gas, replacement gas, reaction gas, etc.
Molecular formula. N2
Relative molecular mass. 28.1034 (according to relative atomic mass in 2005)

Basic Data

Standard ID	GB/T 8979-2008 (GB/T8979-2008)
Description (Translated English)	Pure nitrogen and high purity nitrogen and ultra-pure nitrogen
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	G86
Classification of International Standard	71.100.20
Word Count Estimation	5,581
Date of Issue	2008-05-15
Date of Implementation	2008-11-01
Older Standard (superseded by this standard)	GB/T 8979-1996; GB/T 8980-1996
Quoted Standard	GB/T 3864-2008; GB/T 5832.1; GB/T 5832.2; GB/T 3285; GB/T 8981; GB/T 8984.1; GB/T 14605; HG/T 2686
Regulation (derived from)	National Standard Approval Announcement 2008 No.8 (Total No.121)
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 nitrogen, technical requirements for ultra high purity nitrogen and nitrogen products, inspection methods and packaging, signs, storage, safety warning and so on. This standard applies to air separation or gaseous or liquid nitrogen obtained by purification, ultra- high purity nitrogen and nitrogen, mainly used as protective gas, replacement gas, reaction gas.