JB/T 7774.2-1995
Method for chemical analysis of silver-zinc oxide electrical contact materials chrome azure S spectrophotometric method for determination of aluminum content (English Version)
- Standard No.
- JB/T 7774.2-1995
- Language
- Chinese, Available in English version
- Release Date
- 1995
- Published By
- Professional Standard - Machinery
- Status
- 2008-07
- Replace By
- JB/T 7774.2-2008
- Latest
- JB/T 7774.2-2008
- Scope
- This standard specifies the method for determining the amount of aluminum in silver-zinc oxide electrical contact materials. This standard applies to the determination of aluminum content in silver-zinc oxide electrical contact materials. Measuring range: 0.05% ~ 0.10%.
JB/T 7774.2-1995 history
- 2008 JB/T 7774.2-2008 Test methods for chemical analysis silver-zinc oxide electric contact material.Part 2:Determination of aluminium content
- 1995 JB/T 7774.2-1995 Method for chemical analysis of silver-zinc oxide electrical contact materials chrome azure S spectrophotometric method for determination of aluminum content
