Challenges in preparing water-matrix reference materials for PAHs and pesticides: examples from SWIFT-WFD proficiency-testing schemes

References

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Operational definitions of uncertainty Edelgard Hund, D.L. Massart, J. Smeyers–Verbeke TrAC Trends in Analytical Chemistry Uncertainty ManagementEngineeringHigh UncertaintyUncertainty QuantificationUncertainty Evaluation	2001	109
Reference materials: terminology and use. Can't one see the forest for the trees? Hendrik Emons, T. Linsinger, Bernd Manfred Gawlik TrAC Trends in Analytical Chemistry Forest ConservationForestryGeographyForest Resource ManagementReference Materials	2004	76
The ‘RM family’—Identification of all of its members Hendrik Emons Accreditation and Quality Assurance Family ManagementEducationFamily StructureAnthropologyCultural History	2006	51
Accurate quantification of PAHs in water in the presence of dissolved humic acids using isotope dilution mass spectrometry Ofelia Bercaru, Franz Ulberth, Hendrik Emons, Analytical and Bioanalytical Chemistry Environmental ChemistryEngineeringEnvironmental GeochemistryEnvironmental EngineeringIsotope Geochemistry	2006	26
Critical evaluation of interlaboratory comparisons for PAHs and pesticides in organic standard solutions in support of the implementation of the Water Framework Directive Marina Ricci, Ofelia Bercaru, Franz Ulberth, TrAC Trends in Analytical Chemistry Environmental ChemistryEngineeringPesticide-residue AnalysisEnvironmental EngineeringWater Quality	2007	16
A TrAC journey into water-chemical metrology in the European Union Ph. Quevauviller TrAC Trends in Analytical Chemistry Environmental ChemistryChemical MeasurementEnvironmental MonitoringEngineeringChemical Analysis	2006	10

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