Environmental laboratory
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AMS bottom dredges are primarily designed for sampling sand and silt, but they can also be used to sample most types of non-cohesive materials. They are lowered onto the sediment, and two-way spring-loaded mechanism – which also prevents accidental closure of the sampler during decent – triggers the closure of the dredge upon contact with the bottom. Careful release of the sample will distribute the sediment approximately as it appeared on the bottom, making sediment profile description possible. AMS dredges are also constructed using stainless steel and powder-coated carbon steel for added corrosion resistance. See the new demonstration video at www.ams-samplers.com/dredges.
IET 36.5 Sept/Oct 2026
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