ČSN EN 17504

Krmiva: Metody vzorkování a analýz - Stanovení gossypolu v semenech bavlníku a krmivech pomocí LC-MS/MS (Norma k přímému použití jako ČSN).

Dostupné jazyky: Anglicky

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Podrobné informace

Označení: ČSN EN 17504

Datum vydání: 01.09.2022

Stran: 24

Země: Česká technická norma

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Anotace

This document specifies a method for the determination of free gossypol, extractable by acidified acetonitrile/water, in cottonseed, cottonseed products and compound feeds by liquid chromatography with tandem mass spectrometry (LC-MS/MS).
The method described in this document has been successfully validated in the range of 69 mg/kg to 5 950 mg/kg by collaborative trial in the following matrices: cottonseed, cottonseed products (cake/meal, hulls) and compound feeds for bovine, porcine and poultry.
NOTE - It is possible to reach quantification limits of approximatively 5 mg/kg in compound feeds. The method might be applicable at lower and at higher concentrations than the concentration range validated in the collaborative trial. However, this needs to be assessed by in-house validation

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