Key Laboratory of Marine Chemistry Theory and Technology of Ministry of Education Ocean University of China Qingdao 266100 China;
College of Environmental Science and Engineering Ocean University of China Qingdao 266100 China;
Key Laboratory of Marine Chemistry Theory and Technology of Ministry of Education Ocean University of China Qingdao 266100 China;
Key Laboratory of Marine Chemistry Theory and Technology of Ministry of Education Ocean University of China Qingdao 266100 China;
Key Laboratory of Marine Chemistry Theory and Technology of Ministry of Education Ocean University of China Qingdao 266100 China;
State Key Laboratory of Estuarine and Coastal Research East China Normal University Shanghai 200062 China;
silicate,colorimetric determination,liquid-liquid extraction,methyl isebutyl ketone;