Home / Standards / GB/T 41456-2022 GB/T 41456-2022 Active Nanotechnologies—Determination of the concentration of nanometer titanium dioxide airborne dust in workplace—Spectrophotometry method 纳米技术 生产环境纳米二氧化钛粉尘浓度检测方法 分光光度法 Standard Type GBT ICS 71.040.50 CCS G30 Status 现行 Issue Date 2022-04-15 Implementation 2022-11-01 Responsible Dept 中国科学院 Drafting Unit N/A