Our full-service laboratory features three areas of expertise;  fire assaywet chemistry and instrumental analysis.  Our methodologies are precise and accurate.

For more than 138-years, Ledoux & Company has operated as an independent, commercial metallurgical testing laboratory for our worldwide clients.  We are ISO 17025 accredited and ISO 9001:2015 certified, which guarantees quality assurance.  We have the ability and experience to meet all of your chemical analysis needs including classical wet chemistry, fire assay, ICP-AES, ICP-MS, X-Ray Fluorescence, X-Ray Diffraction, CHS, IC, and nuclear analysis.

We are experienced in classical metallurgical techniques, as well as the latest preparation methods.  Depending upon the method of chemical analysis, we can conduct testing on any size sample ranging from particle size analysis to material grade identification on raw or finished products.

Our assay results are commercial grade and used for umpire and control purposes.  We provide assays for precious metals and base metals in all types of materials.  We act as a representative for importers and exporters, by providing analytical services for many ores and concentrates.

We are metallurgical experts in the following areas – aerospace, automotive, electrical and electronic products, energy and chemicals, HVAC, marine, medical devices, nuclear, oil and gas, power plant, rail, transportation, wind and solar.

Whatever your material testing requirements are, we have the knowledge and experience to meet your testing needs.

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Ledoux & Co.
359 Alfred Avenue, Teaneck, NJ 07666  |  (201) 837-7160  |  info@ledoux.com

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