Nuclear energy - measurement of radioactivity in the environment - water - part 1 : measurement of strontium 90 activity in water - radiochemical separation of strontium by nitric acid and measurement of yttrium 90 beta activity 核能.环境中放射性的测量.水.第1部分:水中锶90放射性测定.用硝酸对锶进行放射化学分离和钇90放射性的测量
2.
Nuclear energy - measurement of radioactivity in the environment - water - part 3 : measurement of strontium 90 activity in water - radiochemical separation of strontium by extraction with " ethers crown " resin and measurement of beta activity 核能.环境中辐射性的测量.水.第3部分:水中锶90放射性的测量.通过" ethers crown "树脂萃取进行锶的放射化学分离和放射性的测量
