1.one-trillionth of a gram
2.one million millionth of a gram
1.Detection of picogram SRY gene in mixed sample by capillary electrophoresis
混合样品中微量SRY基因的毛细管电泳检测
2.Analysis of Sub-picogram Plutonium by Isotope Mass Spectrometry
亚皮克量级钚的质谱分析技术
3.Analysis on the Isotopic Ratio of Picogram Pu by TIMS
皮克量级钚同位素丰度比的TIMS分析