Home / Standards / GB/T 29022-2021 GB/T 29022-2021 Active Particle size analysis—Dynamic light scattering (DLS) 粒度分析 动态光散射法(DLS) Standard Type GBT ICS 19.120 CCS A28 Status 现行 Issue Date 2021-12-31 Implementation 2022-07-01 Responsible Dept 国家标准委 Drafting Unit N/A