JB/T 8443.1-2014
Test methods for chemical analysis of copper-chromium electric contact material.Part 1: Determination of chromium content (English Version)

Standard No.

JB/T 8443.1-2014

Language

Chinese, Available in English version

Release Date

2014

Published By

Professional Standard - Machinery

Latest

JB/T 8443.1-2014

Replace

JB/T 8443.1-1996

Scope

This part of JB/T 8443 specifies the method for determination of chromium content in copper-chromium contact materials. This section applies to the determination of chromium content in copper-chromium contact materials. Determined mass fraction range: 20.00%~55.00%.

JB/T 8443.1-2014 history

• 2014 JB/T 8443.1-2014 Test methods for chemical analysis of copper-chromium electric contact material.Part 1: Determination of chromium content
• 1996 JB/T 8443.1-1996 Chemical analysis method for copper and chromium contact materials Determination of chromium content with ammonium ferrous sulfate titrimetric method