Home / Standards / GB/T 24981.1-2020 GB/T 24981.1-2020 Active Test methods of rare earth long afterglow phosphors—Part 1: Determination of emission dominantpeak and chromaticity coordinates 稀土长余辉荧光粉试验方法 第1部分:发射主峰和色品坐标的测定 Standard Type GBT ICS 77.120.99 CCS H14 Status 现行 Issue Date 2020-11-19 Implementation 2021-10-01 Responsible Dept 国家标准委 Drafting Unit N/A