Home / Standards / GB/T 11338-1989 GB/T 11338-1989 Active Analytical methods of potassium-40 in water 水中钾-40的分析方法 Standard Type GBT ICS N/A CCS Z33 Status Active Issue Date 1989-04-22 Implementation 1990-01-01 Centralized Committee 生态环境部 Issuing Authority 国家环境保护局