JB/T 6237.11-1992
Silver powder chemical analysis method for electrical contacts Determination of nitrate content by benzidine visual colorimetry (English Version)
- Standard No.
- JB/T 6237.11-1992
- Language
- Chinese, Available in English version
- Release Date
- 1992
- Published By
- Professional Standard - Machinery
- Status
- 2008-09
- Replace By
- JB/T 6237.9-2008
- Latest
- JB/T 6237.9-2008
- Scope
- This standard specifies the method for the determination of nitrate content in silver powder for electrical contacts. This standard applies to the determination of nitrate content in silver powder for electrical contacts. Measuring range: <0.005%.
JB/T 6237.11-1992 history
- 2008 JB/T 6237.9-2008 Test methods for chemical analysis of silver powder for electric contact material. Part 9: Determination of nitrate content
- 1992 JB/T 6237.11-1992 Silver powder chemical analysis method for electrical contacts Determination of nitrate content by benzidine visual colorimetry
JB/T 6237.11-1992 Silver powder chemical analysis method for electrical contacts Determination of nitrate content by benzidine visual colorimetry was changed to JB/T 6237.9-2008 Test methods for chemical analysis of silver powder for electric contact material. Part 9: Determination of nitrate content.
