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Polydisc GW Filter 50 mm, nylon with quartz fiber prefilter, 0.45 µm Polydisc GW (Ground Water) is specifically designed for sample preparation of ground water samples for the analysis of dissolved heavy metals. Polydisc GW is an aqueous filter with low background values for the determination of trace elements (each box contains a certificate). It has everything that makes the preparation of aqueous solutions for the analysis of dissolved heavy metals easy: a large filter surface, quartz fiber prefilter and membrane filter in sandwich arrangement, and a high dirt loading capacity. And, of course, it meets all the requirements of regulations such as NEN and EPA.

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