USP/NF General Chemical Tests and Assays

USP/NF Methodologies:


Nearly all pharmaceutical specification testing procedures can be performed at Expert Chemical Analysis, Inc. We have the capability to perform the following chemical and physical testing procedures:

<181> Organic Nitrogenous Bases
<191> Identification Tests
<197> Spectrophotometric Identity Tests (FTIR) UV-VIS)
<201> TLC Identification Tests
<206> Aluminum
<211> Arsenic
<221> Chloride and Sulfate
<231> Heavy Metals
<241> Iron
<251> Lead
<261> Mercury
<271> Readily Carbonizable Substances
<281> Residue on Ignition
<291> Selenium
<341> Antimicrobial Agents
<351> Assay for Steroids
<381> Elastomeric Closures for Injections.
<401> Fats and Fixed oils
<461> Nitrogen (Kjeldahl)
<466> Ordinary Impurities (TLC)
<467> Organic Voloatile Impurites (GC-FID, GC-MS)
<468> Oxygen Determination
<621> Chromatography (TLC, GC, HPLC)
<631> Color and Achromacity
<651> Congealing Temp.
<661> Containers
<731> Loss on Drying
<733> Loss on Ignition
<736> Mass Spectrometry (GC-MS, LC-MS)
<761> Nuclear Magnetic Resonance (NMR)
<781> Optical Rotation
<791> pH
<831> Refractive Index
<841> Specific Gravity
<851> Spectrophotometry (UV-Vis, FTIR, AA, ICP-OES)
<921> Water Determination (I, II, III)

Selected USP and NF assays performed >