Home / Standards / GB/T 11843-2025 GB/T 11843-2025 Active Determination of nitrogen in uranium dioxide powder and pellets—Spectrophotometry 二氧化铀粉末和芯块中氮的测定 分光光度法 Standard Type GBT ICS 27.120 CCS F46 Status 现行 Issue Date 2025-10-05 Implementation 2025-10-05 Responsible Dept 国家标准委 Drafting Unit N/A