20K Gold Testing Solution
20K Gold Testing Solution
Confirm 20K gold and higher in seconds with TrueAssay 20 Karat Gold Testing Solution. A single drop on a stone streak reveals whether your item is at least 20-karat gold. Trusted by jewelers, pawn shops, refiners, and collectors of high-karat and coin gold.
What's Included
- TrueAssay 20K 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 20K solution directly on the streak.
- If the streak remains unchanged, your item is at least 20K gold. If it fades, it is lower karat.
- 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
- Coin and high-karat gold collectors
Why TrueAssay
- Made in the USA with professional-grade reagents
- Consistent, reliable reactions for high-karat gold
- Tamper-evident packaging for safe shipping
- SDS available on request
FAQ
What does this test verify?
That your gold is 20K or higher. Use our 22K solution to separate 22K from 20K.
Do I need a testing stone?
Yes — a black testing stone is required. Available separately in our store.
How many tests per bottle?
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.