Home / Standards / GB/T 11214-1989 GB/T 11214-1989 Active Analytical determination of radium-226 in water 水中镭-226 的分析测定 Standard Type GBT ICS N/A CCS Z33 Status Active Issue Date 1989-03-31 Implementation 1990-01-01 Centralized Committee 生态环境部 Issuing Authority 国家环境保护局