Home / Standards / GB/T 11222.1-1989 GB/T 11222.1-1989 Abolished Radiochemical analysis of strontium-90 in ash of biological samples--Extraction chromatography by di-(2-ethylhexyl) phosphate 生物样品灰中锶-90的放射化学分析方法 二-(2-乙基己基)磷酸酯萃取色层法 Standard Type GBT ICS N/A CCS Z33 Status 废止 Issue Date 1989-03-31 Implementation 1990-01-01 Responsible Dept 生态环境部 Drafting Unit N/A