Home / Standards / GB/T 47075-2026 GB/T 47075-2026 Upcoming Determination of cephalosporins in wastewater—Liquid chromatography-tandem mass spectrometry 废水中头孢菌素类抗生素的测定 液相色谱-串联质谱法 Standard Type GBT ICS 13.030.20 CCS Z05 Status 即将实施 Issue Date 2026-01-28 Implementation 2026-08-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A