W.E. Mowrey
W.E. Mowrey
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    • HOW TO SELL
    • services
      • How To Sell Your Gold
      • Buy & Sell Bullion
      • Jewelry Alloys
      • Dental Alloy
      • What Is My Gold Worth
      • Buy and Sell Rhodium
      • Buy and Sell Iridium
      • Refining Process
      • Assay Services
      • Lab Products
      • Diamond Auction
      • Jewelers and Pawn
      • Sell Silver Cadmium
      • Iridium
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  • Home
  • HOW TO SELL
  • services
    • How To Sell Your Gold
    • Buy & Sell Bullion
    • Jewelry Alloys
    • Dental Alloy
    • What Is My Gold Worth
    • Buy and Sell Rhodium
    • Buy and Sell Iridium
    • Refining Process
    • Assay Services
    • Lab Products
    • Diamond Auction
    • Jewelers and Pawn
    • Sell Silver Cadmium
    • Iridium
  • Products
    • Bullion
    • Jewelry
  • About Us
    • About Us
    • News & Info
    • Contact Us

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Gold and Silver Assay

Assay is the process of analyzing material to identify the precious metal content

We have two assay methods:


Fire Assay:  This assay method is the oldest, most accurate, and remains the industry standard to determine gold and silver content.  All lab work is done in-house by highly qualified and experienced employees to ensure accurate and prompt results.  W.E. Mowrey will perform a fire assay for a $50 fee.


X-ray Fluorescence:  This machine is able to scan the surface of an alloy and read its elemental makeup off its x-ray spectrum.  We now offer X-ray analysis print outs for $25, the X-ray fluorescence machine is a great instrument, however it can be susceptible to error and it is not as accurate as a fire assay.

We ensure prompt and accurate results.

What we require from you:

  • Payment upfront.
  • Sample size: 2 grams or more, metallics only.
  • A representative sample.  This is very important.  If the sample is not representative, the result from our assay will be ineffective.​
  • If the sample is taken from a bar it is important that is clean and not contaminated. 
  • X-ray Fluorescence samples must be less than 15 lbs and small enough to fit in the machine.
  • We maintain the right to turn down away material or increase the fees is we feel the sample needs additional preparation and work. ​
  • Contact us for further information.

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