ISO 21446:2019

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Infant formula and adult nutritionals — Determination of trans and total (cis + trans) vitamin K1 content — Normal phase HPLC

Published By	Publication Date	Number of Pages
ISO	2019-01	26

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Categories: 67.050 - General methods of tests and analysis for food products, ISO

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Description

This document specifies a method for the quantitative determination of trans and total (cis + trans) vitamin K₁ in infant, pediatric and adult nutritionals using normal phase (NP) high-performance liquid chromatography (HPLC) with post-column reduction and fluorescence detection. The method demonstrated good linearity over a standard range of ~2 µg/l to 80 µg/l trans vitamin K₁, and the limit of quantification (LOQ) was estimated to be 0,4 µg/l for standards and 0,09 µg/100 g ready to feed (RTF) for samples assuming 4 grams of sample are diluted to 10 ml.

Additional information

Published Code	ISO
Published By	International Organization for Standardization
Publication Date	2019-01
Pages Count	26
Language	English
Edition	1
File Size	2.0 MB
ICS Codes	67.050 - General methods of tests and analysis for food products

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ISO 21446:2019

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