Home / Standards / GB/T 23770-2009 GB/T 23770-2009 Active Liquid inorganic chemical products - General method for the measurement of colour 液体无机化工产品色度测定通用方法 Standard Type GBT ICS 71.060.01 CCS G10 Status 现行 Issue Date 2009-05-13 Implementation 2010-01-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A