This badge collects the following:
Associated Analytical Methods: Cold Vapor Atomic Fluorescence
Mercury vapor is collected by a thin, ultra high-purity layer of gold. The gold is digested overnight with a mixture of concentrated acids. Then, an analysis of elemental mercury is performed by cold vapor atomic fluorescence (CVAF).
Each badge comes with a particle screen to prevent particles containing mercury from entering the sampler during monitoring, potentially causing a high biased result. The screen must be removed immediately after the monitoring is complete. Best to use a pair of tweezers. In addition, we recommend the cap be twisted off during sampling and stored away from dusts.
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Before sampling, ship and store at room temperature. After sampling, store and ship at room temperature. Ship to the laboratory for analysis within 28 days of sampling.
8 hour/TWA sampling