Home / Standards / GB/T 29651-2013 GB/T 29651-2013 Active Manganese ores and concentrates - Determination of total iron content - Flame atomic absorption spectrometric method 锰矿石和锰精矿 全铁含量的测定 火焰原子吸收光谱法 Standard Type GBT ICS 73.060.20 CCS D32 Status 现行 Issue Date 2013-09-06 Implementation 2014-05-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A