ISO 4946:2016
Steel and cast iron — Determination of copper — 2,2'-Biquinoline spectrophotometric method

Standard No.

ISO 4946:2016

Release Date

2016

Published By

International Organization for Standardization (ISO)

Latest

ISO 4946:2016

Scope

This International Standard specifies a spectrophotometric method for the determination of copper in steel and cas t iron by 2 ,2 ’-biquinoline. The method is applicable to the determination ofcopper mass fraction in the range of0,02 % and 5 %.

ISO 4946:2016 history

• 2016 ISO 4946:2016 Steel and cast iron — Determination of copper — 2,2'-Biquinoline spectrophotometric method
• 1984 ISO 4946:1984 Steel and cast iron; Determination of copper content; 2,2'-Diquinolyl spectrophotometric method