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 karat. Kits come complete with instructions Gold Scratch Test Instructions.
These kits are for testing gold, silver and platinum. They come with gold test needles, wooden case, test acids and a scratch stone.
For detailed video instructions, see below:
SKU | Item | Price | Qty |
---|---|---|---|
56.705 | 9 Test Needle Set 4, 6, 8, 10, 12, 14, 16, 18, 20 Karat | $130.00 | |
TES-805.00 | 5 Test Needle Set 8, 10, 12, 14, 18 Karat | $56.80 | |
TES-805.62 | 5 Test Needle Set 10, 14, 18, 22, 24 Karat | $64.95 | |
TES-804.00 | 4 Test Needle Set 10, 12, 18 Karat & Silver | $48.95 | |
TES-803.00 | 3 Test Needle Set 10, 12, 14 Karat | $48.95 | |