Gold Testing Test Needle Set 10k 14k 18k Karat Scrap Jewelry Melting Gold
USD 26.90 USD
Specifications
| Brand | Unbranded |
| Type | Testing Kit |
| Suitable For | Identification/Testing |
Choose a karat needle, rub or scratch the needle against a test stone, and make a rubbing or scratch with the item to be tested next to it. Place a drop of testing acid across both marks, and carefully observe the reaction to the acid.
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