Home / Standards / GB/T 3654.6-2008 GB/T 3654.6-2008 Active Ferroniobium - Determination of sulfur content - Combustion-iodate titrimetric method,methylene blue photometric method and infrared absorption method 铌铁 硫含量的测定 燃烧碘量法、次甲基蓝光度法和红外线吸收法 Standard Type GBT ICS 77.100 CCS H11 Status 现行 Issue Date 2008-05-13 Implementation 2008-11-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A