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Illustration of the sampling apparatus for sediment flux analysis using an impinger vessel as a microflux chamber (1) ultrapure air tank; (2) ultrapure air flow regulator; (3) flow control/regulator towards the 3 impingers; (4) impinger inlet; (5) impinger bottle (6) sediment sample (50 g); (7) impinger outlet; and (8) adsorption tubes.
