Shopping Cart

No products in the cart.

BS ISO 21470:2020

$167.15

Infant formula and adult nutritionals. Simultaneous determination of total vitamins B1, B2, B3 and B6. Enzymatic digestion and LC-MS/MS

Published By Publication Date Number of Pages
BSI 2020 38
Guaranteed Safe Checkout
Category:

If you have any questions, feel free to reach out to our online customer service team by clicking on the bottom right corner. We’re here to assist you 24/7.
Email:[email protected]

This document specifies a method for the simultaneous quantitative determination of four water-soluble vitamins in infant formula and related nutritional products, including relevant forms of vitamins B1, B2, B3 and B6 by enzymatic digestion and UHPLC-MS/MS. This document is not intended to be used on products where vitamins have not been added.

PDF Catalog

PDF Pages PDF Title
2 undefined
6 Foreword
7 1 Scope
2 Normative references
3 Terms and definitions
4 Principle
8 5 Reagents and materials
9 6 Standard and solution preparation
6.1 Mobile phases and prepared solutions
10 6.2 Stable isotope labelled compounds, individual, internal standard stock solutions
11 6.3 Stock standard solutions of native compounds
12 6.4 Working standard solution preparation
13 6.5 Summary of standard and solution preparation
7 Apparatus
15 8 Procedure
8.1 Sample preparation
8.1.1 Powdered products
8.1.2 Reconstituted powders and liquid products
8.2 Enzymatic digestion
8.3 UHPLC-MS/MS analysis
8.3.1 UHPLC conditions
16 8.3.2 MS tune conditions
8.3.3 Mass transitions
17 8.3.4 LC-MS/MS equilibration
8.4 Quality control
8.4.1 General
8.4.2 Calibration curve
9 Calculations
19 10 Precision data
10.1 General
10.2 Repeatability
10.3 Reproducibility
21 11 Test report
22 Annex A (informative) Precision data
31 Annex B (informative) Comparison between this document and EN 14122
33 Annex C (informative) Comparison between this document and EN 14152
35 Annex D (informative) Comparison between this document and EN 14164
37 Bibliography
BS ISO 21470:2020
$167.15