Home / Standards / GB/T 6764-1986 GB/T 6764-1986 Abolished Radiochemical analysis of strontium-90 in water--Precipitation by fuming nitric acid 水中锶-90放射化学分析方法 发烟硝酸沉淀法 Standard Type GBT ICS N/A CCS Z33 Status Abolished Issue Date 1986-09-04 Implementation 1987-03-01 Centralized Committee 生态环境部 Issuing Authority 国家环境保护局