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GB/T 23211-2008 English PDF

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GB/T 23211-2008: Determination of 493 pesticides and related chemicals residues in milk and milk powder -- LC-MS-MS method
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GB/T 23211-2008English2009 Add to Cart 13 days [Need to translate] Determination of 493 pesticides and related chemicals residues in milk and milk powder -- LC-MS-MS method Valid GB/T 23211-2008

PDF similar to GB/T 23211-2008


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Basic data

Standard ID GB/T 23211-2008 (GB/T23211-2008)
Description (Translated English) Determination of 493 pesticides and related chemicals residues in milk and milk powder -- LC-MS-MS method
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard X04
Classification of International Standard 67.050
Word Count Estimation 91,969
Date of Issue 2008-12-31
Date of Implementation 2009-05-01
Quoted Standard GB/T 6379.1; GB/T 6379.2; GB/T 6682
Regulation (derived from) National Standard Approval Announcement 2008 No.27 (Total No.140)
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary This standard specifies the milk and milk powder 493 kinds of pesticides and related chemicals (see Appendix A and Appendix E) residues in liquid chromatography-tandem mass spectrometry. This standard applies to the qualitative identification of 482 kinds of pesticides and related chemicals in milk, quantitative 441 kinds of pesticides and related chemicals measured, apply qualitative identification of milk powder in 481 kinds of pesticides and related chemicals, 427 kinds of pesticides and related chemicals quantitative determination. The quantitative determination of standard milk 441 kinds of pesticides and related chemicals method detection limit is 0. 01��g/L ~ 2. 41mg/L (see Appendix A), methods seized milk 427 quantitative determination of pesticides and related chemicals the limit is 0. 04��g/kg ~ 8. 04mg/kg (see Appendix a).

GB/T 23211-2008: Determination of 493 pesticides and related chemicals residues in milk and milk powder -- LC-MS-MS method


---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Determination of 493 pesticides and related chemicals residues in milk and milk powder. LC-MS-MS method ICS 67.050 X04 National Standards of People's Republic of China Milk and milk powder 493 kinds of pesticides and related chemicals Determination of residues of liquid chromatography - tandem mass spectrometry Posted 2008-12-31 2009-05-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Table of Contents

Preface Ⅰ 1 Scope 1 2 Normative references 1 3 Principle 1 4 Reagents and materials 1 5 Apparatus 2 6 samples stored for 2 7 measuring step 2 8 4 Calculation Results 9 Precision 5 Appendix A (Informative Appendix) 493 pesticides and related chemicals, the English name, the detection limit, grouping, solvent selection and mixing Standard concentration 6 Appendix B (Informative Appendix) 493 pesticides and related chemicals retention time monitoring ion pair, fragmentation and collision gas within the voltage source Energy 22 Appendix C (Informative Appendix) 493 pesticides and related chemicals in multiple reaction monitoring (MRM) chromatogram 39 Annex D (informative) 493 kinds of pesticides and related chemicals precision data in Table 65 Appendix E (Informative Appendix) 493 pesticides and related chemicals English name Chinese control index (in alphabetical order) 80

Foreword

The Standard Appendix A, Appendix B, Appendix C, Appendix D and Appendix E is an informative annex. This standard is proposed and managed by the State Administration of Quality Supervision Inspection and Quarantine of People's Republic of China. This standard was drafted. People's Republic of China Qinhuangdao Exit Inspection and Quarantine, Shandong Agricultural University. The main drafters of this standard. Pang Guofang, ZHENG red, Individual Students Wangming Lin, Li Yan. Milk and milk powder 493 kinds of pesticides and related chemicals Determination of residues of liquid chromatography - tandem mass spectrometry

1 Scope

This standard specifies the milk and milk powder 493 kinds of pesticides and related chemicals (see Appendix A and Appendix E) residual amount of liquid chromatography - Cascade Linking mass spectrometry. This standard applies to the qualitative identification of milk 482 kinds of pesticides and related chemicals, quantitative 441 kinds of pesticides and related chemicals determination; Suitable for qualitative identification of 481 kinds of milk powder pesticides and related chemicals, quantitative 427 kinds of pesticides and related chemicals measured. Methods milk 441 pesticides and related chemicals present standard quantitative determination of the detection limit is 0.01μg/L ~ 2.41mg/L (see Appendix A); quantitative determination of milk powder method 427 kinds of pesticides and related chemicals detection limit of 0.04μg/kg ~ 8.04mg/kg (see Appendix A).

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 6379.1 measurement methods and results of Accuracy (trueness and precision) - Part 1. General principles and definitions (GB/T 6379.1-2004, ISO 5725-1.1994, IDT) GB/T 6379.2 measurement methods and results of Accuracy (trueness and precision) - Part 2. Determine the standard measurement method to repeat Of the basic methods of reproduction (GB/T 6379.2-2004, ISO 5725-2.1994, IDT) GB/T 6682 analytical laboratory use specifications and test methods (GB/T 6682-2008, ISO 3696. 1987, MOD) Principle 3 The sample was extracted with acetonitrile, C18 solid-phase extraction (SPE), eluted with acetonitrile pesticides and related chemicals, liquid chromatography - tandem mass spectrometer, External standard.

4 Reagents and materials

Water as a water GB/T 6682 regulations. 4.1 acetonitrile. chromatography. 4.2 acetone. chromatography. 4.3 isooctane. chromatography. 4.4 Toluene. chromatography. 4.5 hexane. chromatographically pure. 4.6 Methanol. chromatographically pure. 4.7 formic acid. pure class distinctions. 4.8 ammonium acetate. pure class distinctions. 4.9 0.1% formic acid solution. 4.10 5mmol/L ammonium acetate solution. 4.11 acetonitrile + water (3 + 2, volume ratio).

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