JB/T 7776.4-2008 Active Industry standards-Mechanical

JB/T 7776.4-2008 The Chemical Analysis Methods of Cadmium Oxide-Silver Electrocontact Material Part 4: Determination of Tin Content by Phenolphthalein Spectrophotometry

Publish Date: 2008-03-12 Implement Date: 2008-09-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: JB/T 7776.4-2008

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: Electrical alloy parts

ICS Name: \nConnecting device

Publish Date: 2008-03-12

Implement Date: 2008-09-01

Pages: 5 pages

Development Information

Pages: 5 pages

Same series standard

JB/T 7776.1-2008 Silver cadmium oxide electrical contact material chemical analysis methods - Part 1: Determination of cadmium content by EDTA complex titration method JB/T 7776.2-2008 The Chemical Analysis Method for Cadmium-Doped Silver Electro-Contacts Part 2: Determination of Zinc Content by Flame Atomic Absorption Spectrometry JB/T 7776.3-2008 The Chemical Analysis Methods of Cadmium Oxide-Silver Electro-Contact Material Part 3: Determination of Nickel Content by Flame Atomic Absorption Spectrometry JB/T 7776.5-2008 The Chemical Analysis Methods for Silver-Oxide Cadmium Electro-Contact Material Part 5: Thiosemicarbazide Spectrophotometric Method for the Determination of Bismuth Content JB/T 7776.6-2008 The Chemical Analysis Methods for Silver-Oxide Cadmium Electrical Contact Materials Part 6: Determination of Magnesium Content by Flame Atomic Absorption Spectrometry JB/T 7776.7-2008 JBT 7776.7-2008 Chemical analysis methods for silver-cadmium oxide electrical contact material - Part 7: Determination of aluminum by using the method of spectrophotometry with chrome-azure S

Replace the following standards

JB/T 7776.5-1995 The chemical analysis method for silver oxide cadmium electrode material using benzopyrene-based spectrophotometry to determine tin content

Related Standards

GB 13397-1992 Replaced

GB 13397-1992 Technical specification for silver-metaloxide electrical contacts by alloy internal oxidation method

Publish Date: 1992-03-15

GB/T 5586-1998 Replaced

GB/T 5586-1998 Test methods for essential porperty of electric contact material

Publish Date: 1998-01-20

GB 13140.2-1998 Replaced

GB 13140.2-1998 Connecting devices for low voltage circuits for household and similar purposes Part 2:Particular requirements for connecting devices as separate entities with screw-type clamping units

Publish Date: 1998-08-17

GB 13140.3-1998 Replaced

GB 13140.3-1998 Connecting devices for low voltage circuits for household and similar purposes Part 2:Particular requirements for connecting devices as separate entities with screwless-type clamping units

Publish Date: 1998-08-17

GB 13140.4-1998 Replaced

GB 13140.4-1998 Connecting devices for low voltage circuits for household and similar purposes Part 2:Particular requirements for connecting devices as separate entities with insulation piercing clamping units

Publish Date: 1998-08-17

GB 13140.5-1998 Replaced

GB 13140.5-1998 Connecting devices for low-voltage circuits for household and similar purposes Part 2:Particular requirements for twist-on connecting devices

Publish Date: 1998-12-21