Cleanup of samples in multiresidual pesticide analysis


Carb-GCB/NH 2 combines the merits of both Carb-GCB and NH 2 sorbents and is able to remove interfering compositions such as pigments, sterols and fatty acids in food samples, making it an effective packing for cleaning samples up in multiresidual pesticide analysis.



  • Ultrathin frits between two sorbent layers promising uniform flow
  • Capable of removing interferences as thoroughly as possible


Specifications for Carb-GCB:

Surface area: 100-250 m 2/g
Particle size: 100-300 mesh

Specifications for NH 2:

Carbon content: 4.5%
Surface area: 200 m 2/g
Particle size: 40-75 μm
Pore size: 100 Å



  • Analysis of multiresidual pesticides in foods


Related Methods:

  • NY/T 1379-2007   Multi-residue Determination of 334 Pesticides in Vegetable by GC/MS and LC/MS



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