JB/T 7776.6-1995
Method for chemical analysis of silver cadmium oxide electrical contact materials Determination of bismuth content by thiourea spectrophotometry (English Version)

Standard No.
JB/T 7776.6-1995
Language
Chinese, Available in English version
Release Date
1995
Published By
Professional Standard - Machinery
Status
 2008-09
Replace By
JB/T 7776.5-2008
JB/T 7776.6-2008
Latest
JB/T 7776.5-2008
JB/T 7776.6-2008
Scope
This standard specifies the method for determining the amount of bismuth in silver cadmium oxide electrical contact materials. This standard applies to the determination of bismuth content in silver cadmium oxide electrical contact materials. Measuring range: 0.05% ~ 0.50%.

JB/T 7776.6-1995 history

  • 2008 JB/T 7776.5-2008 Test method for chemical analysis of silver-cadmium oxide electric contact material. Part 5: Determination of bismuth content
  • 1995 JB/T 7776.6-1995 Method for chemical analysis of silver cadmium oxide electrical contact materials Determination of bismuth content by thiourea spectrophotometry

JB/T 7776.6-1995 Method for chemical analysis of silver cadmium oxide electrical contact materials Determination of bismuth content by thiourea spectrophotometry was changed to JB/T 7776.5-2008 Test method for chemical analysis of silver-cadmium oxide electric contact material. Part 5: Determination of bismuth content.

Method for chemical analysis of silver cadmium oxide electrical contact materials Determination of bismuth content by thiourea spectrophotometry



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