Concentrations of total organic carbon in waters of the Baltic Sea at Station...

Not filtered water samples were taken in 10 ml ampoules (sealed immediately after being acidified with phosphoric acid to pH<2, sampling), or 40 ml screw-lid vials, and...未过滤水样采集于10毫升安瓿瓶（采样后立即用磷酸酸化至pH值＜2并即刻密封）或40毫升螺旋盖样品瓶，且……