Zoekresultaten - 53 results

European fingerprint study on omeprazole drug substances using a multi analytical approach and chemometrics as a tool for the discrimination of manufacturing sources

analysis carried out by 7 European laboratories on 28 samples from 11 manufacturers with 5 analytical techniques (related substances with HPLC, residual solvents with GC- MS, near infrared spectroscopy, ...

European fingerprint study on omeprazole drug substances using a multi analytical approach and chemometrics as a tool for the discrimination of manufacturing sources.

by 7 European laboratories on 28 samples from 11 manufacturers with 5 analytical techniques (related substances with HPLC, residual solvents with GC- MS, near infrared spectroscopy, proton nuclear ...

Analytical characterization of "etonitazepyne," a new pyrrolidinyl-containing 2-benzylbenzimidazole opioid sold online.

a potent NPS opioid of the 5-nitrobenzimidazole class. Identification of etonitazepyne was performed, on a sample purchased during routine monitoring of the drug market, using GC- MS, HRAM LC- MS / MS ...

Occurrence of (suspected) genotoxic flavoring substances in Belgian alcohol-free beers

Alcohol-free beers Flavoring substances GC–MS genotoxicity SAFE Abstract: The regulatory landscape of flavorings is evolving, thereby putting pressure on control laboratories to develop analytical methods for ...

Development of a “Freeze-Pour” Sample Preparation Method for the GC Analysis of Semivolatile Flavouring Chemicals Present in E-cigarette Refill Liquids

Europe, Volume 34, Issue 6, Number 230 (2021) Keywords: e-cigarettes flavours GC-MS genotoxicity Abstract: During the past decade, e-cigarettes have become increasingly popular. To guarantee their safe use ...

Concentrations and distribution of chlorinated paraffins in Belgian foods

and the occurrence of long-chain CP s (LCCP s). LCCP s were detected in 35% of the 20 subset samples while the HRMS results for SCCP s and MCCP s matched closely with those obtained by GC- MS. This ...

CBD oils on the Belgian market: A validated MRM GC-MS/MS method for routine quality control using QuEChERS sample clean up

Source: Journal of Pharmaceutical and Biomedical Analysis, Volume 205 (2021) Keywords: Cannabidiol CBD oils GC-MS/MS MRM Sample clean up Abstract: Quality control of CBD oils on the Belgium market showed ...

Optimization and validation of an analytical method for the quantification of short- and medium-chained chlorinated paraffins in food by gas chromatography-mass spectrometry

quantification of short- and medium-chained chlorinated paraffins (SCCP s and MCCP s, respectively) in a range of food matrices using gas chromatography-electron capture negative ionization-mass spectrometry (GC ...

Chemical and toxciological characterization of e-liquid cigarettes

methods were developed for the quantitative determination of nicotine and its related impurities (HPLC- DAD) and for the flavours diacetyl and acetylpropionyl (HS / GC- MS). Also, screening methods were ...

Determinants of persistent organic pollutant (POP) concentrations in human breast milk of a cross-sectional sample of primiparous mothers in Belgium

were determined by GC- ECNI- MS and GC- EI- MS / MS depending on the analytes’ sensitivity. Associations between POP concentrations in breast milk and potential determinants were investigated using ...

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