JB/T 8443.1-1996
Chemical analysis method for copper and chromium contact materials Determination of chromium content with ammonium ferrous sulfate titrimetric method (English Version)

Standard No.

JB/T 8443.1-1996

Language

Chinese, Available in English version

Release Date

1996

Published By

Professional Standard - Machinery

Status

Be replaced 2014-11

Replace By

JB/T 8443.1-2014

Latest

JB/T 8443.1-2014

Scope

This standard specifies the method for determination of chromium content in copper-chromium contact materials. This standard applies to the determination of chromium content in copper-chromium contact materials. Measuring range: 20.00%～55.00%

JB/T 8443.1-1996 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