ANALYSIS WITH INTEGRITY

As an independent laboratory, we pride ourselves on our honest and straight-forward results. We are objective and are not influenced by any outside factors.  Our analysis is done with integrity, and our reported findings represent the scientific truth.

Our Services

From aluminum to zinc, gold to palladium – our full service laboratory can analyze any element accurately and timely.

Base Metals Testing

Base metals are widely used in commercial and industrial applications such as construction and manufacturing; i.e., aluminum, copper, lead, nickel, tin and zinc. We can accurately quantify these elements to ensure all of your business needs, goals and investments. Click for more …

Ledoux ISO 17025 Accredited

ISO 17025 Accredited

Our laboratory consistently demonstrates technical competence and the use of a quality management system when analyzing automotive catalysts, petrochemical catalysts and gold alloys. Thus, assuring our quality control, precise results, and your peace of mind.​ Click for more …

On-Site Precious Metals Representation

We provide on-site witnessing at all processing facilities. We are your "eyes and ears" for your material and are present at all times. We thoroughly document all data during the entire process. We know the value of your investment and treat your material like their own. Click for more …

Precious Metals Analysis

Gold, palladium, platinum or any other rare earth metals, we have the experience to test your precious metals precisely and accurately. Depending upon your material, we can test for precious metals via multiple methods, i.e., fire assay, gravimetric, ICP or diluted separations. Click for more …

Spent Catalyst Testing

Analyzing spent automotive catalysts and petrochemical catalysts are at the cornerstones of our business success. For over 45-years, we have consistently delivered accurate PGM results to our worldwide customers. PGM recovery is economically and environmentally beneficial.​ Click for more …

Quality Value Proposition

Time vs. cost vs. quality dilemma. For any given project, you never get to choose all three simultaneously. One of the three gets sacrificed. However, with our analysis, we never sacrifice quality. Quality is a constant and providing our customers with the scientific truth is essential.

Ledoux & Co.

We are an independent commercial metallurgical laboratory with expertise in fire assay, wet chemistry and instrumental analysis. Our global client base ranges from leading Fortune 500 corporations to family-owned businesses.

Manufacturers, fabricators, recyclers, smelters, refiners, e-scrappers and other users of or dealers in precious metals, base metals, trace metals, minerals and ores have entrusted our services since 1880.

Why Work with Us

Accuracy and Integrity Since 1880

ISO 17025 Accredited & ISO 9001:2015 Certified

These ensure that our results are repeatedly accurate and precise, plus all internal processes follow a detailed quality control system that can withstand detailed scrutiny. In simple terms; these equal your peace of mind.

Independent Laboratory

We are a family-owned business with one goal in mind - accuracy. We are laser-focused to deliver precise results that are based solely upon the scientific truth. We are unbiased, objective and not swayed by any outside sources.

Customer Focused

We treat our customers like family. We appreciate our worldwide clients who entrust us with the analysis of their precious materials. Our commitment, communication and dedication to our customers are within the foundation of our success.

What Our Customers Say

Don’t take our word for it.  Read what our customers think about us.

We always receive precise results with top-flight service. We have been working with Ledoux for over thirty-five years.
Miriam
Precious Metals Trader
For the past twenty-years, we have always received great service from Ledoux & Co.
Edward
Spent Automotive Catalyst Recycler
We have worked with Ledoux for more than thirty-years and we appreciate their work!
Adon
Fine Jewelry Company Manager
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