look for an official stamp POINT FOR USERS
Inspect the piece for an official stamp. This will show the purity of the gold in karats (10k, 14k, 18k, 22k, or 24k) or fineness (1-999 or .1-.999).
In older pieces, the stamp may not be visible anymore due to wear or previous repairs/work. It’s also important to realise that even fakes can have an authentic looking stamp, so you may need to investigate further than just a visual inspection.
Another easy thing to look for is discoloration. You might find discoloration from wear on the edges of the piece or in areas that experience heavy friction—the key is what’s underneath the gold that’s coming off. If wear reveals another metal underneath the gold layer, your gold is probably gold plated, not 100% gold.
test for gold with a magnet
Gold is not magnetic, but many of the metals people use to make fake gold are. You’ll need a fairly strong magnet for this test and if the gold in question is attracted to the magnet, it’s not real gold. However, just because it’s not attracted to a magnetic material does not necessarily mean it’s real gold either—non-magnetic metals are used in counterfeit pieces too.
compare weights of 2 gold pieces POINT FOR SELLERS
Using a balance scale weigh two pieces of gold—the piece in question as well as a similarly sized piece that you’re sure is real gold.
Gold is much heavier than almost all other metals.
You’ll be able to tell if your item is real if it weighs about the same amount as the authentic piece you’re comparing it to. Gold is often weighed in troy ounces, whereby 1 troy ounce equals 31.1035 grams.
test with nitric acid.
Many precious metal refiners use the nitric acid method to determine the authenticity of gold. Drop a small amount of nitric acid onto the piece and look for a reaction.
If the jewellery is gold plated, you may have to make a tiny scratch in the metal to allow the acid to saturate the underlying metal.
If the acid produces a green reaction, the piece is probably a base metal or gold plated. A white, milky reaction is most likely indicative of gold plating over sterling silver.
Ideally you want to see no reaction with the acid test at all—real gold should not react when it comes in contact with nitric acid.
As expert bullion dealers All Waste Matters can take care of the whole process, offering a completely free no obligation sampling and assaying service. We can also advise you on your manufacturing procedures which could be producing valuable scrap precious metal.
If you’re selling scrap gold, it’s important to stay up to date with the latest in scrap gold price uk and set a price alert. So speak to us today to discuss your investment decisions and get the best gold price today.
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