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National Research Laboratories

2 ARTICLES PUBLISHED IN JoVE

Environment

Clean Sampling and Analysis of River and Estuarine Waters for Trace Metal Studies

Kuo-Tung Jiann^*1, Liang-Saw Wen^*2,3, Peter H. Santschi⁴

¹Department of Oceanography, National Sun Yat-sen University, ²Institute of Oceanography, National Taiwan University, ³Taiwan Ocean Research Institute, National Research Laboratories, ⁴Department of Oceanography and Marine Sciences, Texas A&M University at Galveston

Special care using "clean techniques" is required to properly collect and process water samples for trace metal studies in aquatic environments. A protocol for sampling, processing, and analytical procedures with the aim of obtaining reliable environmental monitoring data and results with high sensitivity for detailed trace metal studies is presented.

Environment

An Ultra-clean Multilayer Apparatus for Collecting Size Fractionated Marine Plankton and Suspended Particles

Liang-Saw Wen¹, Chih-Ping Lee¹, Wen-Huei Lee¹, Alan Chuang²

¹Institute of Oceanography, National Taiwan University, ²Sino Instruments Co., Ltd.

Plankton and suspended particles play a major role in the biogeochemical cycles in the ocean. Here, we provide an ultra-clean, low stress method for the collection of various sizes of particles and plankton at sea with the capability of handling large volumes of seawater.