JB/T 4107.5-2014
Chemical analyse method for electrical contact materials.Part 5: Determination ofnickel content in the silver-nickel (English Version)

Standard No.

JB/T 4107.5-2014

Language

Chinese, Available in English version

Release Date

2014

Published By

Professional Standard - Machinery

Latest

JB/T 4107.5-2014

Replace

JB/T 4107.5-1999

Scope

This part of JB/T 4107 specifies the method for determining the nickel content in silver-nickel electrical contact materials using the EDTA capacity method. This section applies to the determination of nickel content in silver-nickel electrical contact materials. Determined mass fraction range: 8.00%~35.00%.

JB/T 4107.5-2014 history

• 2014 JB/T 4107.5-2014 Chemical analyse method for electrical contact materials.Part 5: Determination ofnickel content in the silver-nickel
• 1999 JB/T 4107.5-1999 Chemical analyse method for electrical contact materials.Determination of nickel content in the silver - nickel ( ETDA volumetry method)