MERX Methyl Hg GC & Pyrolysis Module
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The GC and pyrolysis module contains a packed chromatographic column that separates out the mercury species from each sample, once they are released from the Tenax traps. The species emerge as separate peaks that can be individually quantified by the detector. The pyrolysis column, downstream of the chromatographic column, thermally decomposes each mercury species to elemental mercury vapor, the only form of mercury to which the detector is sensitive.