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Ultrasensitive speciation analysis of mercury in waters by Mar 01, 2020 · And the limits of detection (LODs) of Hg 2+ and MeHg by GC-MS were 32 ng L –1 and 45 ng L –1, which reduced to 27 ng L –1 and 20 ng L –1 by GC-MS/MS, respectively. NaBEt 4 as a derivatization reagent mentioned above is a common alkylation reagent for improving the volatility of metallic species. Odor mortis – ScienceDirect Oct 10, 2012 · After this time period, 2.0 mL of headspace was withdrawn from the vial b...

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