GB/T 20771-2008Determination of 486 pesticides and related chemicals residues in honey - LC-MS-MS method (English PDF)

1 Scope

This standard specifies the acacia honey, rape honey, linden tree honey, buckwheat honey, Date Honey 486 pesticides and related chemicals (see Appendix A and

Appendix E) residual amount of liquid chromatography - tandem mass spectrometry.

This standard applies to acacia honey, rape honey, linden tree honey, buckwheat honey, Date Honey 486 pesticides and related chemicals residues qualitative Kam

Do not also suitable for the quantitative determination of 461 kinds of pesticides and related chemicals residues.

461 kinds of pesticides and related chemicals quantitative determination of the standard method detection limit was 0.01µg/kg ~ 3.34mg/kg (see attached

Record 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 dichloromethane, the solid-phase extraction (SPE) eluting pesticides and related chemicals, liquid chromatography with acetonitrile and toluene (3 + 1) -

Tandem mass spectrometer detection, external standard.

4 Reagents and materials

Water as a water GB/T 6682 regulations.