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Résultats de la recherche - 6 results
Sample preparation methods for elemental analysis in electronic cigarette aerosols: a critical review
e-cigarettes elemental analysis Abstract: In the last decade, e-cigarettes have been marketed as a less harmful alternative to classical tobacco smoking and are currently being used by millions of people. An ...
Method development for analysis of nanoplastics in drinking water and milk using transmission electron microscopy (TEM)
risk assessment. This TEM-based approach was validated using polystyrene (PS) reference beads in the size range 60-500 nm, encompassing all analysis steps, from sample preparation to image analysis. Typically, the ...
A validation methodology for size and shape measurement of nanoplastics by transmission electron microscopy
[3]. This validation encompasses all analysis steps, from sample preparation to image analysis, focusing on reference materials composed of polystyrene nanoplastics. By establishing the full measurement ...
Impact of environmental nitrogen enrichment on birch pollen allergy
were extracted from modeled air concentrations and depositions from the European Monitoring and Evaluation Program (EMEP). Fresh pollen, leaf nitrogen and carbon content were measured (CHNS elemental ...
Impurity profiling of the most frequently encountered falsified polypeptide drugs on the Belgian market
falsified peptide drugs on the Belgian market acquired from three different suspected illegal internet pharmacies. The screening incorporated the analysis of the active pharmaceutical ingredient (API), ...
Identification of substances migrating from plastic baby bottles using a combination of low-resolution and high-resolution mass spectrometric analysers coupled to gas and liquid chromatography.
to mass spectrometry (MS) in electron ionisation mode was used to identify migrants through spectral library matching. When no acceptable match was obtained, a second analysis by GC-(electron ...