JB/T 7774.5-1995 Methods of chemical analysis of silver zinc oxide electrical contact materials - Determination of magnesium content by flame atomic absorption spectrometry (English Version)
This standard specifies the method for the determination of magnesium content in silver-zinc oxide electrical contact materials. This standard applies to the determination of magnesium content in silver-zinc oxide electrical contact materials. Measuring range: 0.010% ~ 0.1000%.
JB/T 7774.5-1995 history
2008JB/T 7774.5-2008 Test methods for chemical analysis of silver-zinc oxide electric contact material.Part 5:Determination of magnesium content
1995JB/T 7774.5-1995 Methods of chemical analysis of silver zinc oxide electrical contact materials - Determination of magnesium content by flame atomic absorption spectrometry