Taiwan Provincial Standard of the People's Republic of China CN / CNS
Latest
CNS 11942-4-1999
Scope
This standard specifies the quantitative method for iron in copper and copper alloys (drawn copper products, copper alloy ingots and castings for casting).
CNS 11942-4-1999 Referenced Document
ISO 1812 Copper alloys; Determination of iron content; 1,10- Phenanthroline spectrophotometric method
ISO 4748 Copper alloys; Determination of iron content; Na2EDTA titrimetric method
CNS 11942-4-1999 history
1999CNS 11942-4-1999 Methods for determination of iron in copper and copper alloys