Home / Standards / GB/T 11848.11-2025 GB/T 11848.11-2025 Active Methods for analysis of uranium ore concentrate—Part 11:Determination of thorium—Inductively coupled plasma mass spectrometry 铀矿石浓缩物分析方法 第11部分:钍的测定 电感耦合等离子体质谱法 Standard Type GBT ICS 27.120.30 CCS F46 Status 现行 Issue Date 2025-10-05 Implementation 2026-05-01 Responsible Dept 国家标准委 Drafting Unit N/A