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Brief PMS299 D

Application Note

Using FIMS to Determine Mercury Content in Sewage Sludge, Sediment and Soil Samples

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Introduction

In this work, samples were digested with aqua regia using reflux conditions according to DIN method 38414. After proper dilution of the digested sample solution, Hg was measured interference-free using SnCl2 as the reductant. The recoveries of spiked mercury in sewage sludge samples ranged from 96 to 100%. The method was checked by the analysis of standard reference materials. All results were in agreement with certified values. The RSD for three replicates was approximately 2% at 10 µg/L Hg level.

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