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There are many different tests that the compendia recommend for verification of different materials. Eurofins Food & Feed Testing has the capability to perform many of these tests. Some of the most common are listed here. Contact us today to discuss our full capabilities.

• Identification (i.e. USP <197>, <191>)
• Appearance
• Assay (i.e. strength, purity, potency)
• Impurities (i.e. elemental, chromatographic)
• Specific (optical) rotation, USP <781>
• Heavy metals, elemental impurities USP <233>, <232>, <2232>
• Microbiology USP <61/62>, <2021/2022>
• Total organic carbon (TOC), USP <643>
• Melting point/range, USP <741>
• Water, moisture content, USP <921>
• Related compounds (HPLC, GC)
• Readily carbonizable substances
• Loss on drying, USP <731>
• Loss on ignition, USP <733>
• Residue on ignition (Ash), USP <281>
• Conductivity, USP <644>
• pH, USP <791>
• Residual solvents, USP <467>
• Dissolution, USP <711>, <2040>
• Disintegration, USP <701>, <2040>
• Viscosity, USP <911>, <912>
• Alcohol determination, USP <611>
• Congealing temperature (Freeze Point), USP <651>
• Specific gravity, USP <841>
• Refractive index, USP <831>

Our FDA Registered and ISO 17025 accredited laboratories are your one-stop for all of your testing needs. In addition to microbiological, analytical, physical, contamination, and active ingredients testing we offer many specialty testing services as well as support services.

• Vendor qualification
• Method development
• Method verification
• Method validation
• Method transfer
• Stability and shelf-life studies
• Authenticity testing
• cGMP consulting

Listed here are some of the most frequently tested ingredients and chemicals that come through our laboratories. Our capabilities expand far beyond this list, contact us today with the materials you need to be verified. 

• Ascorbic acid
• Biotin
• Calcium carbonate
• Choline bitartrate
• Citric acid
• Creatine monohydrate
• Dextrose equivalence
• Diethylene glycol and ethylene glycol
• Ectoine
• Erythritol
• Gelatin
• Glycerin
• Levocarnitine (L-Carnitine)
• L-Glutamic acid
• Magnesium citrate
• Magnesium gluconate
• Melatonin
• Polyvinyl acetate (PVA)
• Potassium chloride
• Potassium citrate
• Potassium Iodide
• Riboflavin
• Sodium acetate
• Sodium bicarbonate
• Sodium chloride
• Sodium citrate
• Sucrose
• Zinc gluconate

Our laboratories utilize state-of-the-art instrumentation and our scientists are experts in non-compendial and compendial methods, including USP/NF, FCC, EP, and more.

• Microscopy (Digital, Light, Polarized Light)
• High-performance/Ultra-High performance liquid chromatography (HPLC/UPLC): Detection by UV/DAD, RI, Fluorescence, ELSD, MS, MS/MS, Orbitrap)
• Gas Chromatography (GC): detection by FID, TCD, MS, MS/MS
• Thin Layer Chromatography (TLC)
• Ion Chromatography (IC)
• Fourier Transform Infrared (FTIR) Spectroscopy
• Raman spectroscopy
• Ultraviolet-visible (UV-Vis) Spectroscopy
• Fluorescence Spectroscopy
• ICP-OES, ICP-MS
• Flame Atomic Spectroscopy (FAAS), Graphite Furnace (GFAAS)
• Karl Fischer
• Densitometry, refractometry
• Combustion analysis (Carbon, Nitrogen)
• Dissolution/disintegration
• Enzyme-Linked Immunosorbent Assay (ELISA)
• Nuclear Magnetic Resonance (NMR)
• Wet chemistry methods
• USP/NF, EP, FCC, JECFA, and other compendia