JB/T 7777.3-2008 Test methods for chemical analysis of silver-tin oxide-indium oxide electric contact material.Part 3:Determination of nickel content (English Version)
This part of JB/T 7777 specifies the method for determining the amount of nickel in silver tin oxide indium oxide electrical contact materials. This section applies to the determination of the nickel mass fraction in silver tin oxide indium oxide electrical contact materials. Measuring range: 0.03%-1.00%.
JB/T 7777.3-2008 history
2008JB/T 7777.3-2008 Test methods for chemical analysis of silver-tin oxide-indium oxide electric contact material.Part 3:Determination of nickel content
1995JB/T 7777.3-1995 Silver tin oxide indium oxide electrical contact materials chemical analysis method dimethylglyoxime spectrophotometric determination of nickel content