12K Gold Testing Solution
12K Gold Testing Solution
Verify 12K gold and higher in seconds with TrueAssay 12 Karat Gold Testing Solution. A single drop on a stone streak tells you instantly if your item is at least 12-karat gold. Trusted by jewelers, pawn shops, refiners, and resellers for fast, reliable karat identification.
What's Included
- TrueAssay 12K Gold Testing Solution (choose bottle size)
- Tamper-evident dropper cap
- Product insert with instructions and safety info
Testing stone sold separately.
How to Use
- Rub your gold item firmly on a testing stone to leave a visible streak.
- Apply a single drop of 12K solution directly on the streak.
- If the streak remains unchanged, your item is at least 12K gold. If the streak fades or disappears, it is lower karat or not gold.
- Rinse the stone with water and wipe clean before the next test.
Bottle Sizes & Test Counts
- Economy — 30–40 drops
- Small — 150–200 drops
- Medium — 300–400 drops
- Large — 400–550 drops
- Extra Large — 700–900 drops
Who It's For
- Jewelers and bench technicians
- Pawn shops and gold buyers
- Refiners and scrap dealers
- Resellers, flippers, and collectors
Why TrueAssay
- Made in the USA with professional-grade reagents
- Consistent, reliable reactions
- Tamper-evident packaging for safe shipping
- SDS available on request
FAQ
Does this test lower-karat gold?
No. 12K solution confirms 12K and higher. For 10K verification, use our 10K solution.
Do I need a testing stone?
Yes — a black testing stone is required. Available separately in our store.
How many tests per bottle?
Depends on size — from ~30 drops (Economy) up to ~900 drops (Extra Large).
Safety First
This solution contains strong acid. Wear gloves and eye protection, work in a ventilated area, and keep away from children and pets. Rinse immediately with water in case of skin contact. See SDS for full handling details.
Disclaimer
Acid testing is a screening method. For high-value items, confirm results with XRF analysis or a certified assay.