Home / Standards / GB/T 23761-2020 GB/T 23761-2020 Active Test method for air-purification performances of photocatalytic materials—Degradation of acetaldehyde (or formaldehyde) 光催化材料及制品空气净化性能测试方法 乙醛(或甲醛)的降解 Standard Type GBT ICS 71.060.01 CCS G10 Status 现行 Issue Date 2020-03-06 Implementation 2021-02-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A