Steel and cast iron -- Determination of copper content -- 2,2'-Diquinolyl spectrophotometric method
This standard has been revised by ISO 4946:2016
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.
A standard is reviewed every 5 years
Revisions / Corrigenda