Data for: Reconsideration of seawater surfactant activity analysis based on an inter-laboratory comparison study.

Data to accompany the manuscript 'Reconsideration of seawater surfactant activity analysis based on an inter-laboratory comparison study'. These data are the results of an inter-laboratory calibration of concentrations of surfactants, or surface-active substances (SAS), in replicate seawater samples. Data are expressed as total surfactant activity (SA) in equivalents of model surfactant Triton-X-100 (T-X-100 eq. mg/L). The participating laboratories were the Institute for Chemistry and Biology of the Marine Environment (ICBM), Carl von Ossietzky University of Oldenburg, Germany, The School of Natural and Environmental Sciences, Newcastle University (NU), UK and the Division for Marine and Environmental Research, Ruđer Bošković Institute (RBI), Croatia. SA was quantified on four instruments (ICBM, NU, RBI1 and RBI2) and three calibration protocols were also compared (ICBM, NU1 and RBI (NU2)).本数据集配套于题为《基于实验室间比对研究的海水表面活性剂活性分析再探讨》的学术稿件。本数据集收录了平行海水样品中表面活性剂（surfactant）或表面活性物质（surface-active substances，SAS）浓度的实验室间校准实验结果。数据以总表面活性剂活性（total surfactant activity，SA）表示，单位为模型表面活性剂曲通X-100（Triton-X-100）当量（T-X-100 eq. mg/L）。本次参与实验的实验室包括：德国奥尔登堡大学卡尔·冯·奥西茨基海洋环境化学与生物学研究所（ICBM）、英国纽卡斯尔大学自然与环境科学学院（NU），以及克罗地亚鲁杰尔·博什科维奇研究所海洋与环境研究部（RBI）。研究采用四台仪器（ICBM、NU、RBI1及RBI2）对总表面活性剂活性进行定量分析，并比对了三种校准方案（ICBM、NU1及RBI（NU2））。