Home / Standards / GB/T 35570-2017 GB/T 35570-2017 Active Determination of tritium activity concentration in sea water—Low-background liquid scintillation spectrometry method 海水中氚的测定 低本底液体闪烁能谱法 Standard Type GBT ICS 07.060 CCS A45 Status 现行 Issue Date 2017-12-29 Implementation 2018-07-01 Responsible Dept 自然资源部(海洋) Drafting Unit N/A