GB/T 23210-2008Determination of 511 pesticides and related chemicals residues in milk and milk powder - GC-MS method (English PDF)

1 Scope

This standard specifies the milk and milk powder 511 kinds of pesticides and related chemicals (see Appendix A and Appendix F) Residues GC - MS Spectroscopy methods.

This standard applies to milk qualitative identification of 504 pesticides and related chemicals, quantitative 487 kinds of pesticides and related chemicals determination;

Suitable for qualitative identification of milk powder 498 pesticides and related chemicals, quantitative 489 kinds of pesticides and related chemicals measured.

Methods milk 487 kinds of pesticides and related chemicals present standard quantitative determination of the detection limit of 0.0008mg/L ~ 0.4mg/L (reference

See Appendix A); quantitative determination of milk powder 489 kinds of pesticides and related chemicals method detection limit of 0.0042mg/kg ~ 2.0mg/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)

Principle 3

Milk shaking extraction with acetonitrile (homogenized milk with acetonitrile extraction), concentrated liquid extracted by C18 solid-phase extraction (SPE), eluted with acetonitrile Agriculture

Drugs and related chemicals, gas chromatography - mass spectrometer, internal standard.

4 Reagents and materials