Home / Standards / GB/T 44647-2024 GB/T 44647-2024 Active Determination of heavy water isotopic purity—Fourier transform infrared spectroscopy 重水同位素纯度的测定 傅里叶变换红外光谱法 Standard Type GBT ICS 27.120.10 CCS F60 Status 现行 Issue Date 2024-09-29 Implementation 2024-09-29 Responsible Dept 国家标准委 Drafting Unit N/A