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Zoekresultaten - 33 results

Simultaneous Detection and Quantification of Aflatoxin M1, Eight Microcystin Congeners and Nodularin in Dairy Milk by LC-MS/MS

extracted with methanol 80%, followed by an SPE clean-up step before LC- MS / MS analysis. The LOQ was fixed at 1 µg/L for the nine cyanotoxins and 0.05 µg/L for AFM1. Recoveries were measured between 82.67% ...

Identification of the Source for Contamination of Carcasses in a Large Pig Slaughterhouse.

identify the major source of contamination in a pig slaughterhouse, samples were collected from the clean and unclean area and isolates were further typed. Carcasses entering the clean area showed ...

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

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 that the ...

DETERMINATION OF SENSITIZING AND IRRITATING LEACHABLES IN MENSTRUAL HYGIENE PRODUCTS

was subsequently used in an experimental setup, representing in-use conditions of MHP s, for identification and quantification of the targeted compounds. For sample clean-up, a protein precipitation ...

Analysis of mineral oil in food: An analytical challenge

methods such as epoxidation and clean-up with aluminum oxide. Next, the optimized method was used to analyze a wide variety of 198 food such as dry food, vegetables, fish and meat products, sweets,…. An ...

Modular Method for the Determination of Polycyclic Aromatic Hydrocarbons in Spices and Dried Herbs by Gas Chromatography–Tandem Mass Spectrometry

design of this method wasdrawn up using basic material and equipment available in most laboratories and a modular clean-up fitting for each category ofthis very diverse matrix group. The clean-up strategy ...

Development of a sample preparation method for the GC-analysis of e-cigarette refill liquids

was set at 85°. For the low and semi volatiles, full evaporation conditions (145°C) of the headspace were considered. In this case a sample clean-up is needed to avoid transfer of the matrix components ...

DETERMINATION OF ALLERGENIC FRAGRANCE INGREDIENTS IN FEMININE ABSORBENT HYGIENE PRODUCTS AND LUBRICANTS

A liquid-liquid extraction was used as a sample ‘clean-up’ for lubricants. The sample was then injected using gas chromatography-flame ionization-mass spectrometry (GC- FID- MS). The AHP s were analyzed using a HS- ...

Analytical strategies for the determination of pyrrolizidine alkaloids in plant based food and examination of the transfer rate during the infusion process

Pyrrolizidine alkaloids salads Tea transfer rate Abstract: Two sample preparation methods were developed (graphitised carbon and C18 solid phase extraction clean-up) and validated in house using liquid ...

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