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Analytical Chemistry

IEH Laboratories and Consulting Group features several full-service chemistry laboratories that serve the needs of growers and food manufacturers with both classical chemistry methods as well as the most advanced chromatographic methods, including LC-MSMS, ICP-MS and GC-MS.


IEH-Environmental Micro Analysis (EMA) Laboratory is the head laboratory of our pesticide residue testing specialty division. EMA uses state-of-the-art instrumentation such as LC-MSMS, GC-MS, HPLC and GC for pesticide testing.

Services include:

  • US-FDA, European Union & Japanese Positive List
  • US-FDA Import Screen
  • US-FDA residue analyses for detained foods (Detention Without Physical Examination)
  • USDA Food Safety & Inspection Service (FSIS) Pesticide Screen
  • US-EPA Soils and Water Screen
  • California Department of Food & Agriculture (CDFA) Positive List
  • Carbamate Screen
  • Chlorinated Herbicide Screening
  • Organonitrogen/Organophosphate Screen
  • Organochlorine/Synthetic Pyrethroid Screen



IEH Laboratories provide powerful, state-of-the-art analytical technologies to perform chemical and nutritional testing of diverse matrices.

Services include:

  • US-FDA Nutritional Labeling and Education Act (NLEA) Testing
  • Food, Drug & Cosmetic Act (FD&C) Colors
  • Vitamin Testing
  • Proximate Analyses
  • Fatty Acid Profile
  • Protein
  • Cholesterol
  • Dietary & Crude Fiber
  • Organic Acid Profiles
  • Fat and Oil
  • Metals and Minerals
  • Peroxide
  • Sugars
  • Alcohols
  • Amino Acids
  • Caffeine
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