This standard specifies the requirements, test methods, inspection rules, marking, packaging, transport, storage, quality certificate and contract (or purchase order) contents of copper cathode.
This standard is applicable to the copper cathode produced by electrolytic refining process or electrolytic deposition method, generally for the purpose of remelting.
2 Normative References
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (include any amendments) applies.
GB/T 351 Metallic Materials - Resistivity Measurement Method
GB/T 5121 (All Parts) Methods for Chemical Analysis of Copper and Copper Alloys
GB/T 8170 Rules of Rounding off for Numerical Values & Expression and Judgement of Limiting Values
YS/T 464 Analytical of Copper Cathode - the Optical Emission Spectrometry
3 Requirements
3.1 Product classification
Based on chemical compositions, the copper cathode is classified into three designations of Grade A copper (Cu-CATH-1), No.1 standard copper (Cu-CATH-2) and No.2 standard copper (Cu-CATH-3).
3.2 Chemical composition
