[Jewelry making - Article 00870] - Re: [Orchid] Accurate gold analyzer

[Daniel Ballard]

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    There are several electronic "gold analyzer" gadgets. They have
    serious limitations like the surface quality affecting accuracy. Be
    careful, do not overestimate the accuracy-real fire assays are very
    inexpensive these days. Often less than $25.00 

    My opinion is that the most accurate small machines can be off a
    karat or two. Even XRF (relatively large expensive electric machines)
    can be inaccurate with poor samples or methods. 

    The best one I have used is the GXL-24PRO from TRI-ELECTRONICS
    patent 4799999 

    Their phone (on my old machine the area code may have changed) Fax
    619-571-5404 

    Phone 800-445-4241 

    Tri Electronics 800-445-4241 

    I use this machine regularly. I admit I still prefer my old
    fashioned scratch stone and a variety of acids for gold, silver and
    platinum. Given both methods I get fooled very very rarely, after all
    I work at a gold refinery where we spot check incoming goods. I sure
    like it when I can return a non-gold item intact to the customer
    rather than asking then to accept our opinion on faith alone.... 

Daniel Ballard
Precious Metals West


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