JB/T 4107.2-2014
Chemical analyse method for electrical contact materials.Part 2: Determination of copper content in the copper tungsten (English Version)

Standard No.

JB/T 4107.2-2014

Language

Chinese, Available in English version

Release Date

2014

Published By

Professional Standard - Machinery

Latest

JB/T 4107.2-2014

Replace

JB/T 4107.2-1999

Scope

This part of JB/T 4107 specifies the method for determining the copper content in copper-tungsten electrical contact materials using the iodometric method. This section applies to the determination of copper content in copper-tungsten electrical contact materials. Determined mass fraction range: 15.00%~45.00%.

JB/T 4107.2-2014 history

• 2014 JB/T 4107.2-2014 Chemical analyse method for electrical contact materials.Part 2: Determination of copper content in the copper tungsten
• 1999 JB/T 4107.2-1999 Chemical analyse method for electrical contact materials.Determination of copper content in the copper tungsten ( iodimetry)