Home / Standards / GB 4702.10-85 GB 4702.10-85 Chemical analysis of metallic chromium — Determination of copper content by cuproine spectrophotometric method 金属铬化学分析方法 铜试剂分光光度法测定铜量 Standard Type GB ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A