Precious Metal Test Acids

Scratch testing is one of the oldest methods known to man for testing the karat of gold. In experienced hands, a scratch test is sensitive to within about +/- 1/2 karat or about 2%. In the hands of a novice, sensitivity is more likely to be about +/-1-2 k

Gold testers for beginners and professionals

Test tools, Silver acid test tool set, Platinum, Gold, C, Precious metal test stone size, Portable gold test stone (Superior (Peque?o)) : Arts, Crafts & Sewing

Gold tester, gold testing machine and precious metal tester

PRODUCT DETAILS This EASY to use genuine JSP Gold appraisal test kit is great kit to use to determine the value and authenticity of your jewelry, scrap, and much more! Simply scratch the test stone with your jewelry and apply a drop of the acid to the stone and watch the results appear! NOTE Stone sold separately.

3 Bottles of JSP 14K Gold Acid Testing Solution Jewelry Test Tester Precious Metals

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ultrasonic Shor International

Seven piece gold testing acid jewelry test kit with scratch stone, six acids used for testing on 10k, 14k, 18k, 22k, platinum and silver. Each bottle

Precious Metals Testing Kit Silver, Platinum, 10k 14k 18k 22k Gold

Precious Metal Test Kits (Complete)