Testing (precious metals)
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CONTENTS [TOC] WHICH TESTER IS BEST FOR YOU? If you are ready to buy now and just need to see the product pages, see the Auracle ANALYZER or the Au...
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Twelve methods of testing gold, silver, platinum/Palladium/steel. Visual tests, magnetic tests, Hardness / malleability, the acid test, de-plating electronic gold testers, XRF (x-ray fluorescence). specific gravity (relative density), resistivity (for testing coins / bars), resistivity (metal detectors), ultrasound, melt-and-assay (fire assay), ICP.
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Various makes of gold testing kit and what they do and how they compare.
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BUY NOW: CLICK ON THE PICTURE [TOC] PRO (professional) by Auracle This is the top model of the Auracle brand: the PRO (professional) gold test...
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CONTENTS [TOC] ANALYZER (standard model) by Auracle Specification Size 145 X 105 X 30mm (5.75 X 4 X 1.25 inches) No acids involved, the probe cont...
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An overview of various methods of testing precious metals.
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How to test for white gold, platinum, palladium and steel.
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How to test silver (and copper) with magnets, even though they are not magnetic.
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For testing loose gemstones over 1 carat, and small metal samples. A guaranteed non-destructive method of testing precious metals using nothing but a weighing machine and a beaker of water (with the Sovereign tester you don't even need water!)
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Book review: what readers think of The Gold & Silver Buyer's Handbook by Raffi Katz.
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FIRST STEP If you have never seen the instruction manual or have lost it or simply haven't read it for a long time, read it now. It's quite short,...
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PPE (personal protective equipment) for handling gold-testing acids.
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Shelf life / life of gold-testing acids
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Plain-English guide to handle and dispose of the acids used for testing gold and other precious metals (4 pages).
Also available, full technical (MSDS) data sheets (117 pages).
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Review of the Kee electronic gold tester model M-509GM.