JB/T 7775.1-2008 (English Version) PDF

Standard No.: JB/T 7775.1-2008
Language: Chinese, Available in English version
Release Date: 2008
Published By: Professional Standard - Machinery
Latest: JB/T 7775.1-2008
Replace: JB/T 7775.2-1995 JB/T 7775.1-1995

Scope: This part of JB/T 7775 specifies the method for determination of copper content in copper tungsten carbide vacuum contact materials. This section applies to the determination of copper content in copper-tungsten carbide vacuum contact materials. Measuring range: 15.00%～55.00%.

JB/T 7775.1-2008 history

2008 JB/T 7775.1-2008 Test methods for chemical analysis of copper-tungsten-tungsten carbide electric contact material. Part 1: Determination of copper content
1995 JB/T 7775.1-1995 Copper tungsten carbide vacuum contact material chemical analysis method iodine method for determination of copper content

JB/T 7775.1-2008 Test methods for chemical analysis of copper-tungsten-tungsten carbide electric contact material. Part 1: Determination of copper content has been changed from JB/T 7775.2-1995 Copper tungsten carbide tungsten carbide vacuum contact material chemical analysis method complexometric titration determination of copper content.

Test methods for chemical analysis of copper-tungsten-tungsten carbide electric contact material. Part 1: Determination of copper content

JB/T 7775.1-2008Test methods for chemical analysis of copper-tungsten-tungsten carbide electric contact material. Part 1: Determination of copper content (English Version)

JB/T 7775.1-2008 history

JB/T 7775.1-2008
Test methods for chemical analysis of copper-tungsten-tungsten carbide electric contact material. Part 1: Determination of copper content (English Version)