Home / Standards / GB/T 6984.30-2001 GB/T 6984.30-2001 Aluminium and aluminium alloys—Determination of chromium content—Extraction separation-diphenylcarbazide spectrophotometric method 铝 及 铝 合 金 化学分析方法 萃取分离一二苯基碳酞二麟分光光度法 测定铬量 Standard Type GBT ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A