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Einweg-Liner für Visiprep DL Filtrationsleisten (im Lieferumfang von 57044 und 57265 enthalten)
PTFE, pk of 100
About This Item
Empfohlene Produkte
Materialien
PTFE
Verpackung
pk of 100
Methode(n)
solid phase extraction (SPE): suitable
Anwendung(en)
food and beverages
Allgemeine Beschreibung
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Artikel
QuEChERS Cleanup and Analysis of Veterinary Drugs in Milk by LC/MS/MS
A procedure for cleanup of green tea extracts provides low background and allowed for the analysis of more pesticides at lower levels than QuEChERS. Uses less solvents and no toluene.
Pesticide residue testing of turmeric and other (dried) spices is challenging due to their complex compositions and high matrix. An efficient SPE clean-up can be achieved by a new Dual-layer cartridge.
The odor and pungency of ginger is due to the presence of terpenes, gingerols and shogaols. These compounds contribute to the highly complex matrix of ginger, which subsequently presents a challenge in low level analyses of contaminants. A novel 2-layer SPE cartridge efficiently reduces background for pesticide determination.
Protokolle
Polychlorinated biphenyls (PCBs) were once widely used in many industrial and commercial applications such as insulating fluids, dielectrics, and lubricants. This included their extensive use in electrical transformers. PCB use has been banned in many countries, and the Stockholm Convention currently prohibits their production and use.
Paprika is a spice made from dried sweet peppers, and is used for flavor and color in many types of cuisine. Contamination with polynuclear aromatic hydrocarbons (PAHs) can occur when pepper plants are exposed to these pollutants in the environment and/or during the drying process.
solution, 2 μg/mL in acetonitrile, analytical standard
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