JB/T 4107.2-1999
Chemical analyse method for electrical contact materials.Determination of copper content in the copper tungsten ( iodimetry) (English Version)

Standard No.

JB/T 4107.2-1999

Language

Chinese, Available in English version

Release Date

1999

Published By

Professional Standard - Machinery

Status

Be replaced 2014-11

Replace By

JB/T 4107.2-2014

Latest

JB/T 4107.2-2014

Scope

This standard specifies the method for determining the amount of copper in copper-tungsten electrical contact materials. This standard applies to the determination of copper content in copper-tungsten electrical contact materials. Measuring range: 15.00%~45.00%.

JB/T 4107.2-1999 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)