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GB/T 20772-2008Determination of 461 pesticides and related chemicals residues in animal muscles - LC-MS-MS method (English PDF)

动物肌肉中461种农药及相关化学品残留量的测定 液相色谱-串联质谱法

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

December 31, 2008

Implementation date

May 1, 2009

Scope

GB/T 20772-2008 is the English-translated version of 动物肌肉中461种农药及相关化学品残留量的测定 液相色谱-串联质谱法.

GB/T 20772-2008 is the Chinese standard "Determination of 461 pesticides and related chemicals residues in animal muscles - LC-MS-MS method".

Its scope clause reads: This standard specifies the pork, beef, lamb, rabbit, chicken 461 pesticides and related chemicals (see Appendix A and Appendix E) residues Allowance liquid chromatography - tandem mass spectrometry.

This standard applies to qualitative identification of pork, beef, lamb, rabbit, chicken 461 pesticides and related chemicals, and 396 kinds of pesticides Quantitative determination of relevant chemical residues.

396 kinds of pesticides and related chemicals present standard quantitative determination of detection limit of 0.04µg/kg ~ 4.82mg/kg (see Appendix A). Its clauses include reagents and materials.

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Document preview — GB/T 20772-2008

National Standard of the People's Republic of China

Classification
X 04
Replacing
GB/T 20772-2006

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Contents

  • Introduction
  • 1 Scope
  • 2 Normative references
  • 3 Principle
  • 4 Reagents and materials
  • 5 Apparatus
  • 6 Sample Preparation and Storage
  • 7 measuring step
  • 8 result of the calculation
  • 9 Precision
  • Annex D (informative) 461 kinds of pesticides and related chemicals precision data in Table

1 Scope

This standard specifies the pork, beef, lamb, rabbit, chicken 461 pesticides and related chemicals (see Appendix A and Appendix E) residues

Allowance liquid chromatography - tandem mass spectrometry.

This standard applies to qualitative identification of pork, beef, lamb, rabbit, chicken 461 pesticides and related chemicals, and 396 kinds of pesticides

Quantitative determination of relevant chemical residues.

396 kinds of pesticides and related chemicals present standard quantitative determination of detection limit of 0.04µg/kg ~ 4.82mg/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)

GB/T 9695.19 Meat and meat products - Sampling Methods

Principle 3

Cyclohexane - ethyl acetate extract homogeneous sample, purified by gel permeation chromatography, 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 Toluene

chromatography.

4.3 Cyclohexane

chromatography.

4.4 ethyl acetate

chromatography.

4.5 Methanol

chromatographically pure.

4.6 isooctane

chromatography.

4.7 microfiltration membrane (nylon)

13mm × 0.45µm.

4.8 microfiltration membrane (nylon)

13mm × 0.2µm.

4.11 Anhydrous sodium sulfate

AR. Before scorching at 650 °C 4h, stored in a desiccator, cool reserve.

4.13

acetonitrile + water (3 + 2, volume ratio).

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 58 pages — is available in the English PDF.

Referenced standards

Similar standards

Editions of GB/T 20772

EditionTitleRevisionStatus
GB/T 20772-2008Determination of 461 pesticides and related chemicals residues in animal muscles - LC-MS-MS methodcurrent editionCurrent
GB/T 20772-2006Determination of 461 pesticides and related chemicals residues in animal muscles - LC-MS-MS methodprevious editionSuperseded

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