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sklademVydáno: 2018-07-16
BS ISO 20635:2018
Infant formula and adult nutritionals. Determination of vitamin C by (ultra) high performance liquid chromatography with ultraviolet detection ((U)HPLC-UV)
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| Označení normy: | BS ISO 20635:2018 |
| Počet stran: | 20 |
| Vydáno: | 2018-07-16 |
| ISBN: | 978 0 580 96197 7 |
| Status: | Standard |
DESCRIPTION
BS ISO 20635:2018
This standard BS ISO 20635:2018 Infant formula and adult nutritionals. Determination of vitamin C by (ultra) high performance liquid chromatography with ultraviolet detection ((U)HPLC-UV) is classified in these ICS categories:
- 67.050 General methods of tests and analysis for food products
This document specifies a method for the determination of vitamin C (L-ascorbic acid) present in all forms of infant and adult formulas (powders, ready-to-feed liquids and liquid concentrates), using (ultra) high performance liquid chromatography with ultraviolet detection (U)HPLC-UV. The application range runs from 2,5 mg/100 g (limit of quantification) to 50 mg/100 g expressed in the product as consumed. The method is able to distinguish between D-ascorbic acid (isoascorbic- or erythorbic acid) and L-ascorbic acid.