JB/T 7774.1-1995
Silver Zinc Oxide Electrical Contact Material Chemical Analysis Method EDTA Volumetric Method Determination of Zinc Content (English Version)

Standard No.

JB/T 7774.1-1995

Language

Chinese, Available in English version

Release Date

1995

Published By

Professional Standard - Machinery

Status

Be replaced 2008-07

Replace By

JB/T 7774.1-2008

Latest

JB/T 7774.1-2008

Scope

This standard specifies the method for determination of zinc content in silver-zinc oxide electrical contact materials. This standard applies to the determination of zinc content in silver-zinc oxide electrical contact materials. The measuring range is 4.00%~12.00%.

JB/T 7774.1-1995 history

• 2008 JB/T 7774.1-2008 Test methods for chemical analysis of silver-zinc oxide electric contact material.Part 1:Determination of zinc content
• 1995 JB/T 7774.1-1995 Silver Zinc Oxide Electrical Contact Material Chemical Analysis Method EDTA Volumetric Method Determination of Zinc Content