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Matrix effects in pesticide multi-residue analysis by liquid chromatography-mass spectrometry.
Three sample preparation methods: Luke method (AOAC 985.22), QuEChERS (quick, easy, cheap, effective, rugged and safe) and matrix solid-phase dispersion (MSPD) were applied to different fruits andExpand
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"Fast peaks" in chromatograms of Sudan dyes.
The analysis of Sudan dyes has gained considerable attention during last years. In several publications multiple peaks in chromatograms of Sudan III and Sudan IV have been detected. It isExpand
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Evaluation of different phenol hydroxylase-possessing phenol-degrading pseudomonads by kinetic parameters
Phenol-degrading pseudomonads possessing different phenol hydroxylases (PH) were evaluated by the values of apparent half-saturation constant for phenol-oxygenating activity (KS), maximum specificExpand
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Uncertainty in liquid chromatographic analysis of pharmaceutical product: influence of various uncertainty sources.
An ISO GUM measurement uncertainty estimation procedure was developed for a liquid-chromatographic drug quality control method-assay of simvastatin in drug formulation. In quantification ofExpand
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Towards the electrospray ionization mass spectrometry ionization efficiency scale of organic compounds.
An approach that allows setting up under predefined ionization conditions a rugged self-consistent quantitative experimental scale of electrospray ionization (ESI) efficiencies of organic compoundsExpand
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Practical Examples on Traceability, Measurement Uncertainty and Validation in Chemistry, volume 1
Examples on traceability, measurement uncertainty and validation for measurements of retinol and α‐tocopherol in human serum, cyclamate in soft drinks, arsenic in groundwater, sodium chloride in milkExpand
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