JB/T 7777.4-2008 Active Industry standards-Mechanical

JB/T 7777.4-2008 The Chemical Analysis Method for Electro-Contacts Materials of Tin Oxide and Indium Oxide - Part 4: PAN Spectrophotometric Method for Determining Zinc Content

Publish Date: 2008-02-01 Implement Date: 2008-07-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: JB/T 7777.4-2008

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

Pages: 5 pages

Same series standard

JB/T 7777.1-2008 The Chemical Analysis Methods of Silver-Oxide Tin-Oxide Indium-Oxide Electro-Contact Material Part 1: Determination of Tin Content by Iodometric Method JB/T 7777.2-2008 Test methods for chemical analysis of silver-tin oxide-indium oxide electric contact material-Part 2:Determination of indium JB/T 7777.3-2008 Silver-tin oxide-indium oxide electrode material chemical analysis method - Part 3: Dimetone oxime spectrophotometric method for nickel determination JB/T 7777.5-2008 Silver-tin oxide-indium oxide electrode material chemical analysis method - Part 5: Flame atomic absorption spectroscopy for determination of nickel, zinc, and indium content

Replace the following standards

JB/T 7777.4-1995 The chemical analysis method for silver-nickel oxide-indium oxide electric contact material: PAN spectrophotometric method for determination of zinc content. The translation of the sentence is "The chemical analysis method for silver-nickel oxide-indium oxide electric contact material: using PAN spectrophotometry to determine the zinc content."

Related Standards

GB/T 5273-1985 Replaced

GB/T 5273-1985 Terminals for transformers,high-voltage apparatus and bushings

Publish Date: 1985-08-01

GB 1002-1996 Replaced

GB 1002-1996 Single phase plugs and socket-outlets for household and similar purposes Types、basic parameters and dimensions

Publish Date: 1996-01-10

GB 2099.1-1996 Replaced

GB 2099.1-1996 Plugs and socket-outlets for household and similar purposes Part 1:General requirements

Publish Date: 1996-01-10

GB 16837-1997 Abolished

GB 16837-1997 Safety requirements for switched and fused portable multiple socket-outlet without interlock for household and similar purposes

Publish Date: 1997-06-03

GB 13140.1-1997 Replaced

GB 13140.1-1997 Connecting devices for low voltage circuits for household and similar purposes Part 1:General requirements

Publish Date: 1997-06-28

GB 2099.2-1997 Replaced

GB 2099.2-1997 Plugs and socket-outlets for household and similar purposes—Part 2:Particular requirements for socket-outlets for appliances

Publish Date: 1997-12-26