GB/T 5273-1985
Replaced
JB/T 7778.4-2008
Active
Industry standards-Mechanical
JB/T 7778.4-2008 Chemical Analysis Methods for Silver Tungsten Carbide Electrical Contact Materials - Part 4: Determination of Free Carbon Content by Acid Separation and Gas Capacity Method
JB/T 7778.4-2008
Price:
$ 30
Basic Information
Standard Code:
JB/T 7778.4-2008
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Electrical alloy parts
ICS Name:
Plugs, sockets, and connectors
Publish Date:
2008-02-01
Implement Date:
2008-07-01
Pages:
5 pages
Development Information
Same series standard
JB/T 7778.1-2008 Test methods for chemical analysis of siver-tungsten carbide electric contact material-Part 1:Determination of silver content
JB/T 7778.2-2008 Silver tungsten carbide electrical contact material chemical analysis method - Part 2: Dimetone oxime spectrophotometric method for nickel determination
JB/T 7778.3-2008 Chemical Analysis Methods for Silver Tungsten Carbide Electrical Contact Materials - Part 3: Determination of Total Carbon Content by Gas Capacity Method
Replace the following standards
Related Standards
GB 1002-1996
Replaced
GB 1002-1996 Single phase plugs and socket-outlets for household and similar purposes Types、basic parameters and dimensions
GB 2099.1-1996
Replaced
GB 2099.1-1996 Plugs and socket-outlets for household and similar purposes Part 1:General requirements
GB 16837-1997
Abolished
GB 16837-1997 Safety requirements for switched and fused portable multiple socket-outlet without interlock for household and similar purposes
GB 13140.1-1997
Replaced
GB 13140.1-1997 Connecting devices for low voltage circuits for household and similar purposes Part 1:General requirements
GB 2099.2-1997
Replaced