CB/T 3905.15-2005
Method for chemical analysis of tin-base bearing alloy - Part 15: Thiourea photometric method for the determination of bismuth content (English Version)

Standard No.

CB/T 3905.15-2005

Language

Chinese, Available in English version

Release Date

2005

Published By

Professional Standard-Ships

Latest

CB/T 3905.15-2005

Replace

CB/T 3905.15-1999

Scope

This part of CB/T 3905 specifies the chemical analysis method of tin-based bearing alloys - the principle, reagents, analysis steps, result calculation, etc. of determining the amount of bismuth by thiourea photometry. This section applies to the determination of bismuth content in tin-based bearing alloys. Measuring range: 0.010% ~ 0.050%. This section should be used together with CB/T 3905.1-2005.

CB/T 3905.15-2005 history

• 2005 CB/T 3905.15-2005 Method for chemical analysis of tin-base bearing alloy - Part 15: Thiourea photometric method for the determination of bismuth content
• 1989 CB/T 3905.15-1999 Determination of bismuth content by thiourea spectrophotometric method for chemical analysis of tin-based bearing alloys