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

Standard No.

ISO 4946:1984

Release Date

1984

Published By

International Organization for Standardization (ISO)

Status

Be replaced

Replace By

ISO 4946:2016

Latest

ISO 4946:2016

Scope

This method is applicable to copper contents between 0.02 % (m/m) and 5 % (m/m). Specifies principle, reagents, apparatus, sampling, procedure, expression of results and test report. Annex A gives additional information on the international co-operative tests. Annex B includes the graphical representation of precision data.

ISO 4946:1984 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