GB 5009.285-2022 Translated English of Chinese Standard (GB5009.285-2022): National food safety standard - Determination of Vitamin B12 in foods [Buy--download True-PDF in 3-second: https://play.google.com/books > Sign in > This BOOK > "3-dots" > Export > Save as "*.pdf"]

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https://www.chinesestandard.net, 2022 M08 21 - 27 pages
This Standard specifies the determination method of vitamin B12 in foods. Method I of liquid chromatography applies to the determination of vitamin B12 in foods for infants and young children, milk and milk products, meat and meat products.
 

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Contents

Foreword
3
Scope
4
Instruments and apparatuses
6
Description of the analysis results
8
Precision
9
Instruments and apparatuses
11
Analysis steps
12
Description of the analysis results
15
Instruments and equipment
18
Test procedures
19
Description of the analysis results
21
Precision
22
Appendix A Immunoaffinity column reference verification method
23
Appendix B Liquid chromatogram
24
Liquid chromatography mass spectrum
25
Medium preparation method
26

Principle
16

Common terms and phrases

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