Digestion of Dust Filter Samples with PDC

Multiwave 7000 with its PDC (Pressurized Digestion Cavity) offers the opportunity to digest any kind of filter sample for airborne particulate for subsequent element analysis with minimized acid consumption.

1 Introduction

Air pollution control relies on leaching environmentally relevant elements like As, Cd, Ni, Pb and others from dust filters.

In order to demonstrate the excellent suitability of Multiwave 7000 for sample preparation prior to element analysis the recovery rates of an exemplary certified reference material was determined and a number of "everyday" samples were compared to the well-established and validated laboratory method using the Multiwave 3000 with Rotor 8SXQ80 as a reference.

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