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An external proficiency scheme sample (RTC, Product ID QC1566, Lot LRAA2561, Sigma-Aldrich) containing TBT and TPhT in water is used to evaluate the performance
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May 13, 2021 Most of the previously reported HPLC and GC methods required complex sample pretreatment or detection, e.g., multistep derivatization for UV ...
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and centrifugation results in a Quick, Easy, Cheap, Effective, Rugged and Safe sample cleanup technique. The. “QuEChERS” method has emerged as a sample prep
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Other, less common deuterated solvents can be ordered through Chemistry Stores from Cambridge Isotope Laboratories or Sigma-Aldrich/Isotec.
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