Trace Residue Chemistry

IEH is an industry leader in food and feed contaminants and adulterants trace residue testing. IEH utilizes state-of-the-art instrumentation such as HPLC, UHPLC, LC/MSMS, GC-FID, GC/MS, GC/MSMS, ICP-AES and ICP/MS, for the determination of trace level contaminants in food, feed, grains and nutraceuticals. All methods follow US and international MRL (Maximum Residue Limits) regulations.


IEH can perform expedited multi-residue screens or specific trace contaminant tests for:

  • Acrylamide

  • Antibiotics

  • Bacterial Toxins

  • Bisphenol A

  • Cyanide

  • Demoic Acid

  • Endocrine Disruptors

  • Furfuryl Alcohol

  • Glycols

  • Heavy Metals

  • Hormones and Steroids

  • Illegal Dyes and Colorants

  • MSG (Monosodium Glutamate)

  • Melamine & Cyanuric Acid

  • Microcystins

  • Mycotoxins

  • Plant Hormones

  • PCBs (Polychlorinated Biphenyls)

  • PAHs (Poly Aromatic Hydrocarbons)

  • Pesticides & Fungicides

  • Phenols

  • Phthalates

  • Primary Pollutants in Water & Soil

  • Ractopamine

  • Residual Solvents

  • Steroids

  • Sudan Dyes

  • Tannin & Lignin

  • Veterinary Residue Screen

  • Volatile Organic Compounds

IEH has the expertise to provide accurate and timely service at the lowest cost possible: