Gradually-ascending spiraled passive sampler for measuring sediment-water diffusion flux of organic pollutants
AssigneeGuangzhou Institute of Geochemistry, Chinese Academy of Sciences
InventorsEddy Y. Zeng, Shiping Xu, Huihui Liu
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Abstract
The present invention discloses a gradually-ascending spiraled passive sampler for measuring sediment-water diffusion flux of organic polutants, which comprises a sediment pore-water sampler and a water sampler arranged above the sediment pore-water sampler, wherein a plurality of sediment sampling units are vertically arranged in the sediment pore-water sampler, and the water sampler is provided with a plurality of water sampling units arranged transversely along the vertical direction in sequence.
Claims8
A gradually-ascending spiraled passive sampler for measuring sediment-water diffusion flux of organic pollutants, characterized in that:
- it comprises a sediment pore-water sampler and a water sampler arranged above the sediment pore-water sampler, wherein a plurality of sediment sampling units are vertically arranged in the sediment pore-water sampler, and the water sampler is provided with a plurality of water sampling units arranged transversely along the vertical direction in sequence, wherein each of the plurality of sediment sampling units is a grid-shaped sediment sampling plate, wherein the sampling plate comprises a partition board, filter membranes arranged at two sides of the partition board respectively, and first porous clamping plates arranged outside the filter membrane, further wherein a plurality of long-striped openings are transversely formed in the partition board in a separated and parallel manner and adsorption films are arranged in the long-striped openings.
Dependencies are inferred from the claim text.