JB/T 4107.4-1999
Chemical analyse method for electrical contact materials.Determination of silver content in the silver - tungsten ( iodimetry) (English Version)

Standard No.

JB/T 4107.4-1999

Language

Chinese, Available in English version

Release Date

1999

Published By

Professional Standard - Machinery

Status

Be replaced 2014-11

Replace By

JB/T 4107.4-2014

Latest

JB/T 4107.4-2014

Scope

This standard specifies the method for the determination of silver in silver-tungsten electrical contact materials. This standard applies to the determination of silver in silver-tungsten electrical contact materials. Measuring range: 25.00%~75.00%.

JB/T 4107.4-1999 history

• 2014 JB/T 4107.4-2014 Chemical analyse method for electrical contact materials.Part 4: Determination of silver content in the silver-tungsten
• 1999 JB/T 4107.4-1999 Chemical analyse method for electrical contact materials.Determination of silver content in the silver - tungsten ( iodimetry)