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Database: 189759 (19 Oct 2025)
GB 4844.2-1995 English PDF
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GB 4844.2-1995
: Pure helium
Status: Obsolete
Standard ID
Contents [version]
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Standard Title (Description)
Status
PDF
GB 4844.2-1995
English
199
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Pure helium
Obsolete
GB 4844.2-1995
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Basic data
Standard ID
GB 4844.2-1995 (GB4844.2-1995)
Description (Translated English)
Pure helium
Sector / Industry
National Standard
Classification of Chinese Standard
G86
Classification of International Standard
71.100.20
Word Count Estimation
3,338
Date of Issue
12/20/1995
Date of Implementation
8/1/1996
Older Standard (superseded by this standard)
GB 4844-1984; GB 4845-1984
Quoted Standard
GB/T 4844.1; GB/T 4844.3; GB/T 5832.1; GB/T 8984
Regulation (derived from)
Announcement of Newly Approved National Standards 2011 No. 23
Issuing agency(ies)
State Bureau of Technical Supervision
Summary
This Standard specifies pure helium products, technical requirements, test methods, inspection rules and product packaging, labeling, storage, and transportation. This Standard is applicable to self in cryogenic air, natural gas or plant purge gas extracted bottled gaseous helium, mainly for welding, diving breathing, special metal smelting, carrier gas chromatographic analysis, as well as pressurized cleaning gas.