Home / Standards / GB/T 8156.7-1987 GB/T 8156.7-1987 Abolished Methods for chemical analysis of aluminium fluoride for industrial use--The 1，10-phenanthroline photometric method for the determination of iron content 工业用氟化铝化学分析方法 邻二氮杂菲光度法测定铁量 Standard Type GBT ICS 71.060.50 CCS H12 Status 废止 Issue Date 1987-08-10 Implementation 1988-06-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A