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

GTE Precious Metal Jewelry Testing Kit Gold Silver Platinum Test Acids Wooden Box 30X Eye Loupe 10K 14K 18K 24K Needle File Cloth Acid : Arts, Crafts & Sewing

Precious Metals Testing The Key to Determining Precious Metal Quality

Precious Metal Analysis: Niton™ DXL Handheld XRF Analyzer : Quote, RFQ, Price and Buy

DiY Mini Laser Engraver Machine, 57% OFF

Metallic Mastery: Jeweled Legacy's Guide to Testing Precious Metals

Vertical Rectangle Shape Filled 50_Set V, 49% OFF

This FAST, FUN, ACCURATE, and EASY to use genuine JSP & GTE kit will determine the karat value and purity of Silver Jewelry, scrap, bars, coins, and

JSP Silver Jewelry Acid Test Apprail Kit Detect 999 925 Sterling Solution with Scratch Stone Precious Metals

Size Precious Metal Test Stone Silver Gold Jewelry Scratch Acid Test Tool Ouchstone Portable Gold Test Stone(Large)

Gold Testing - Manhattan Gold & Silver

Vertical Rectangle Shape Filled 50_Set V, 49% OFF

This kit will help you test the karat value of gold, and the purity of silver and platinum.This metal purity tester kit includes: 10K Gold Testing

Precious Metal Testing Kit with Box

School's Back in Session; Will Your Precious Metals Pass The Test?

Common Testing Methods For Precious Metals & How to Use Them