Have you ever wondered how a gold chain is tested to find out how much gold is really in it?
The oldest and most commonly used test was using acid. A known sample of a gold alloy would be compared with the piece that was unknown using either nitric acid or Aqua-Regia.
It is quite accurate but there are better and less destructive testing methods available.
The term 'acid test' that is commonly used is daily speech generally means "a sure test that gives a result that can't be contested" and this came from the testing of gold with acids.
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Chain Me Up is an online jewellery store that exclusively sells Australian made solid 9ct gold and 925 sterling silver jewellery. Custom made chains in any length with your choice of clasp or padlock.
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