BS ISO 7102:2024
$142.49
Infant formula. Determination of β-galactooligosaccharides. Ultra high performance liquid chromatography (UHPLC) with fluorescence detection after pre-column derivatization
| Published By | Publication Date | Number of Pages |
| BSI | 2024 | 28 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 2 | undefined |
| 6 | Forewords |
| 9 | 1 Scope 2 Normative references 3 Terms and definitions 4 Principle |
| 10 | 5 Chemicals and reagents 5.1 List of chemicals and reagents |
| 11 | 5.2 Preparation of reagents |
| 12 | 5.3 Preparation of mobile phases 5.4 Preparation of standard solutions 6 Apparatus |
| 13 | 7 Procedure 7.1 Sample preparation 7.1.1 Powdered or concentrated products on a ready-to feed (RTF) basis |
| 14 | 7.1.2 Reconstituted products as prepared in 7.1.1 or products sold as RTF 7.1.3 Homogeneous powdered products without prior reconstitution 7.1.4 Calibration curve 7.1.5 Dextran ladder 7.1.6 Hydrolysis of maltodextrins and GOS 7.1.7 Reagent blank 7.1.8 Internal standard addition 7.1.9 Derivatization |
| 15 | 7.1.10 Dilution 7.2 Chromatographic conditions 7.3 System suitability test 7.4 Calibration |
| 16 | 8 Calculation 9 Precision data 9.1 General |
| 17 | 9.2 Repeatability 9.3 Reproducibility 10 Test report |
| 18 | Annex A (normative) Assessment of maltotriose concentration |
| 20 | Annex B (informative) Determination of molecular weight using dextran ladder |
| 21 | Annex C (informative) Determination of molecular weight using LC-MS |
| 23 | Annex D (informative) Example chromatograms |
| 25 | Annex E (informative) Precision data |
| 27 | Bibliography |
