Home / Standards / GB 4702.8-85 GB 4702.8-85 Methods for chemical analysis of chromium metal — The distillation-molybdenum blue spectrophotometric method for the determination of arsenic content 金属铬化学分析方法 蒸馏-钼蓝分光光度法测定砷量 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