Home / Standards / GB/T 5158.4-2011 GB/T 5158.4-2011 Active Metallic powders - Determination of oxygen content by reduction methods - Part 4: Total oxygen by reduction-extraction 金属粉末 还原法测定氧含量 第4部分：还原-提取法测定总氧量 Standard Type GBT ICS 77.160 CCS H16 Status 现行 Issue Date 2011-05-12 Implementation 2012-02-01 Responsible Dept 中国有色金属工业协会 Drafting Unit 中国有色金属工业协会