GB 5009.22-2016 Translated English of Chinese Standard. (GB5009.22-2016): National food safety standard - B-group and G-group aflatoxins in foods

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https://www.chinesestandard.net, 2018 M11 16 - 59 pages
This standard specifies the method for determination of aflatoxin B1, aflatoxin B2, aflatoxin G1, aflatoxin G2 (hereinafter referred to as AFT B1, AFT B2, AFT G1 and AFT G2) in food. The first method of this standard is the isotope dilution liquid chromatographytandem mass spectrometry, which is suitable for the determination of AFT B1, AFT B2, AFT G1 and AFT G2 in cereals and their products, beans and their products, nuts and seeds, fats and their products, seasonings, infant formula and infant complementary foods.

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Contents

Foreword
4
Scope
5
Principle
6
Instruments and equipment
8
Analytical procedures
9
Expression of analytical results
15
Others
16
Instruments and equipment
18
Expression of analytical results
31
Precision
32
Principle
33
Analytical procedures
34
Precision
35
Principle
36
Instruments and equipment
38
Precision
46

Analytical procedures
19
Expression of analytical results
21
Precision
22
Principle
23
Instruments and equipment
25
Analytical procedures
27
Appendix A Calibration method of standard concentration of AFT B1 AFT B2 AFT G1 and AFT G2
47
Appendix B Method of verification of immunoaffinity column
49
Tandem mass spectrometry
50
Liquid chromatogram
55
Appendix E Determination method of quality of enzymelinked immunosorbent kit
59

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