Home / Standards / GB/T 23842-2009 GB/T 23842-2009 Active General method for the determination of silicon content of inorganic chemicals - Reduced molybdosilicate spectrophotometric method 无机化工产品中硅含量测定通用方法 还原硅钼酸盐分光光度法 Standard Type GBT ICS 71.060.01 CCS G10 Status 现行 Issue Date 2009-05-18 Implementation 2010-02-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A