JB/T 7774.5-2008
Test methods for chemical analysis of silver-zinc oxide electric contact material.Part 5:Determination of magnesium content (English Version)

Standard No.

JB/T 7774.5-2008

Language

Chinese, Available in English version

Release Date

2008

Published By

Professional Standard - Machinery

Latest

JB/T 7774.5-2008

Replace

JB/T 7774.5-1995

Scope

This part of JB/T 7774 specifies the method for determining the amount of magnesium in silver-zinc oxide electrical contact materials. This section applies to the determination of the mass fraction of magnesium in Tianyin zinc oxide electrical contact materials. Measuring range: 0.010%-0.100%.

JB/T 7774.5-2008 history

• 2008 JB/T 7774.5-2008 Test methods for chemical analysis of silver-zinc oxide electric contact material.Part 5:Determination of magnesium content
• 1995 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