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Food safety & environmental residue testing

Pesticide residues, mycotoxins and contaminants in food, feed, soil and water — with QuEChERS, SPE and immunoaffinity clean-up, then GC and HPLC columns built for trace analysis.

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Who uses it

Food and agri-export testing labs, feed and spice processors, pesticide and agrochemical companies, and environmental testing labs.

Partners in this workflow
Welch MaterialsFlowCam

Challenges we help solve

Challenge 1Complex matrices

Fats, pigments and sugars interfere with trace residues unless clean-up is selective.

Challenge 2Hundreds of analytes per run

Multi-residue methods need robust GC and LC columns with stable retention.

Challenge 3Throughput and cost per sample

Labs need ready-made kits and dependable consumables at a predictable price.

The workflow, step by step

  1. 1Extraction

    Extract residues from food, soil or water samples.

    Welch QuEChERS extraction bags
  2. 2Clean-up

    Remove matrix interferences before analysis.

    QuEChERS tubes · SPE · immunoaffinity
  3. 3GC separation

    Volatile pesticides and contaminants.

    Welch WM / WEL GC columns
  4. 4LC separation

    Polar pesticides, mycotoxins and antibiotics.

    Ultisil®, Xtimate®, Boltimate® columns
  5. 5Vials & filtration

    Filter and load samples reliably.

    Welch syringe filters, vials, septa

Recommended products

9 products for this workflow. Click a picture for a quick view, or add products to your quote list.

Quote the whole workflow

Tell us your matrix, analytes and instruments.

Related applications

Water & environmental monitoring Pharma QC & impurity analysis Bioanalysis & LC-MS