Reddit reviews Acid Test Kit Gold 10K 14K 18K 22K Silver Platinum Testing Stone Jewelers Tool
We found 6 Reddit comments about Acid Test Kit Gold 10K 14K 18K 22K Silver Platinum Testing Stone Jewelers Tool. Here are the top ones, ranked by their Reddit score.
One bottle of each PuriTEST 10K, 14K, 18K, 22K, Platinum and Silver test acid4" Scraper / Cutter and Easy to Use Instructions Included!Premium PuriTEST brand stone included in box.1/2 ounce of acid per bottle - Fresh Bottled within last 30 days
This is the least expensive method. You can spend hundreds of dollars for electronic devices designed for testing precious metals as well.
https://www.amazon.com/Silver-Platinum-Testing-Stone-Jewelers/dp/B000OVHWLK/ref=sr_1_3?keywords=Precious+metal+test+kit&qid=1573313307&sr=8-3
There are kits you can buy for testing precious metals. Found one on Amazon, though I haven't personally used this one. To test, you rub the metal onto the provided block and then apply the corresponding acid. The acid will eat away at other metals and show if it isn't gold or the indicated karat.
He sounds very knowledgeable (and lucky! He must use a metal detector.)
He should have (or get) an acid test kit for precious metals online. This is one type. They also sell these kits on eBay too.
They contain a piece of slate on which to rub the metal on, leaving a streak. A drop of the acid you think is appropriate is applied to it and the reaction is matched to what the manual says it should be. I've never used one, but it seems like an interesting concept.
If you're curious and think they could be bands, I recommend getting an inexpensive metals testing kit from some place like amazon If you want to search for yourself: Precious Metals Testing Kit Silver, Platinum, 10k 14k 18k 22k Gold Tests Plus Stone
$8 Precious Metals Testing Kit I bought one a while back and it comes in pretty handy. Several YouTube vids on how to use.
You could always get a gold testing kit to find out what karat it is plated with.