Home / Standards / GB/T 8704.6-2007 GB/T 8704.6-2007 Abolished Ferrovanadium - Determination of silicon content - The sulphuric acid dehydration gravimetric method 钒铁 硅含量的测定 硫酸脱水重量法 Standard Type GBT ICS 77.100 CCS H11 Status 废止 Issue Date 2007-09-11 Implementation 2008-02-01 Responsible Dept 中国钢铁工业协会 Drafting Unit 中国钢铁工业协会