Contaminant Identification & Testing

Available from EAG Laboratories

Product Details

When an unknown material is found in a product, manufacturers need to know the source of contamination. Contaminant testing projects involve the determination of components at low concentrations (e.g. ppm levels).

A strategic technical approach is required to identify the unknown contaminant by using a comparison study between a control and suspect sample. The technical approach is dependent on the sample matrix and the suspected level of contamination. Often, we start with a general screen of the control and suspect sample using GC/MS and LC/MS. Depending on the test results, we may need to isolate the contaminant from a large amount of sample to allow analysis using FT-IR and NMR spectroscopy. Once identification is complete, we can further quantify the contaminant in the sample matrix.

Typical contamination testing and identification projects have involved off-odor/flavor investigations, off-color problems, or foreign particles in a product. Some sources of contaminants have been from the environment, improper storage of the product, or poor quality raw materials. We work closely with our clients to trace the source of contamination and develop a realistic corrective action program.

Chemir has performed contamination testing investigations for the food and beverage industries; home, health and beauty; and chemical industries. If needed, we can help with testing for contamination in emergency situations, working 24/7 to resolve the problem.

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