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Figure F2. (A) Schematic of the permeability test system and (B) labeled photo of the permeability test system. The top, bottom, and cell pumps consist of 80 mL pistons that are moved upward or downward to infuse or extract water from the sample or cell. The interface chamber has a rubber diaphragm in the center to separate the seawater that is used as a permeant (bottom chamber) from the distilled water used in the pumps (top chamber). Deionized (DI) water is used in the cell pump and in the sample cell, which has a volume of 2300 mL.

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