We have laboratories in many major cities!

What we offer


Welcome to Sky Bullion Assay Laboratories, where we take pride in being an integral part of the precious metals industry. Our mission is to provide accurate and reliable determinations and verifications of the four primary precious metals used in the industry – Gold, Silver, Platinum, and Palladium. At our laboratories, we use internationally accepted procedures of Fire Assay by fusion and cupellation together with Atomic Absorption Spectrometry to analyze materials such as Dore bars, alluvial gold, jewelry alloys and scraps, and jewelry waste.

We understand how important it is to ensure that the metals are accurately determined, and that’s why we use the latest X-Ray Fluorescence (XRF) technology. This enables our laboratory to perform quick pre-screening tests and verification of unknown alloys submitted by customers for refining. This is crucial for deciding the correct inquartation with fine silver prior to actual fire assaying. The Inquartation method is the most effective way of parting or separating the target elements, and this results in the most accurate determination of the precious metals.

At Sky Bullion Assay Laboratories, we have XRF machines in our offices, enabling us to perform quick checks and confirmations if the submitted material is suitable for analysis using XRF. Thanks for choosing us for all your precious metals determination needs!


Frequently Asked questions

Where are your laboratories located?

Our esteemed organization boasts of a state-of-the-art and fully equipped laboratory, which is located in the lively and bustling city of Los Angeles, California. Our location is strategically chosen to ensure easy access and convenience for our esteemed clientele. As part of our commitment to providing top-notch services, we have forged numerous partnerships with reputable and world-class laboratories across the globe. These strategic and beneficial collaborations have earned us international accreditations, which attest to the quality and reliability of our services. We are indeed a global player in our industry! Our seasoned and expert technicians are always ready to travel to any country of our clients’ interest, bringing their wealth of knowledge and experience right to their doorstep, thereby providing efficient, cost-effective, and truly customized solutions that meet the specific needs and requirements of each client.

Do you accept walk-ins for assaying?

At our Los Angeles location, we absolutely welcome walk-ins! No need to stress about scheduling an appointment, simply stroll on in and our friendly staff will be more than happy to assist you. However, for those who prefer a more streamlined and efficient experience, we highly encourage customers to book appointments in advance. By scheduling ahead of time, you will be guaranteed faster service delivery and the convenience of knowing that our team will be fully ready to attend to your needs. Whether you choose to make an appointment or walk-in, rest assured that we value your time and are committed to providing excellent customer service. So come on by and see us at our Los Angeles location – we look forward to serving you!

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