Home / Standards / GB/T 37949-2019 GB/T 37949-2019 Active Purity test method of small molecule materials applied in organic light emitting diode display (OLED)—High performance liquid chromatography (HPLC) 有机发光二极管显示器用有机小分子发光材料纯度测定 高效液相色谱法 Standard Type GBT ICS 31.030 CCS L90 Status 现行 Issue Date 2019-08-30 Implementation 2019-12-01 Responsible Dept 国家标准委 Drafting Unit N/A