GB/T 23214-2008Determination of 450 pesticides and related chemicals residues in drinking water - LC-MS-MS method (English PDF)

1 Scope

This standard provides drinking water 450 pesticides and related chemicals (see Appendix A and Appendix E) residual amount of liquid chromatography - tandem mass

Spectroscopy methods.

This standard applies to the qualitative identification of drinking water 450 pesticides and related chemicals, but also for 427 pesticides and related technology

A quantitative determination of chemicals.

427 kinds of standard quantitative determination of this pesticide and related chemicals detection limit is 0.010µg/L ~ 0.065mg/L (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

Samples with 1% acetic acid in acetonitrile extraction, Sep-PakVac 1 column) purification, acetonitrile and toluene (3 + 1) to afford pesticides and related chemicals,

Liquid chromatography - tandem mass spectrometer, external standard.

1) Sep-PakVac columns are Waters company's product trade name, this information is given for the convenience of users of this standard, does not mean that the

Approved products. If other equivalent product has the same effect, you can use these equivalent products.

4 Reagents and materials

Water as a water GB/T 6682 regulations.