Zhongdingling test

This standard specifies the gas chromatography-mass spectrometry method for the determination of residues of 500 pesticides and related chemicals (see Appendix A) in apples, oranges, grapes, cabbage, celery, and tomatoes. This standard is applicable to the determination of 500 pesticides and related chemical residues in apples, oranges, grapes, cabbage, celery, and tomatoes. Other vegetables and fruits can be referred to for implementation. The following normative references are essential for the application of this document. For dated references, only the dated version applies to this document. For undated references, the latest version (including all modification orders) applies to this document. GB 2763 National Food Safety Standard: Maximum Residue Limits of Pesticides in Food GB/T 6682 Specification and Test Methods for Analytical Laboratory Water GB/T 6682 Principle: The sample is extracted with acetonitrile homogenate, salted out and centrifuged, the supernatant is taken, purified by solid-phase extraction column, and the pesticides and related chemicals are eluted with ethylbenzene toluene solution (3+1). After solvent exchange, they are detected by gas chromatography-mass spectrometry

Function of testing report:

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BAIJIAN testing process:

1. Telephone communication and confirmation of requirements

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3. Mail samples and arrange testing

4. Progress tracking and result feedback

5. Provide reports and after-sales service

6. If urgent or priority processing is required

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8. The testing report is authoritative and effective, and is generally used in China