Home / Standards / GB/T 23979.2-2009 GB/T 23979.2-2009 Active Fluorescent whitening agents - Determination of relative whiteness and shade - Dyeing method for paper 荧光增白剂 增白强度和色光的测定 纸张染色法 Standard Type GBT ICS 87.060.10;71.100.01 CCS G55 Status 现行 Issue Date 2009-06-02 Implementation 2010-02-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A