Home / Standards / GB/T 4333.6-1988 GB/T 4333.6-1988 Abolished Methods for chemical analysis of ferrosilicon--The diphenylcarbazide photometric method for the determination of chromium content 硅铁化学分析方法 二苯基碳酰二肼光度法测定铬量 Standard Type GBT ICS 77.100 CCS H11 Status 废止 Issue Date 1988-09-20 Implementation 1990-01-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A