JB/T 8443.2-2014 Test methods for chemical analysis of copper-chromium electric contact material.Part 2: Determination of chromium content (English Version)
This standard of JB/T 8443 specifies the determination method of copper content in copper-chromium contact materials. This standard applies to the determination of copper content in copper-chromium contact materials. Determined mass fraction range: 45.00%~80.00%.
JB/T 8443.2-2014 history
2014JB/T 8443.2-2014 Test methods for chemical analysis of copper-chromium electric contact material.Part 2: Determination of chromium content
1996JB/T 8443.2-1996 Chemical analysis method for copper and chromium contact materials Determination of copper content with iodometric method