Jewellery 07 Jan 2019
The BIS (Bureau of Indian Standards) hallmark is the most important thing to check when buying gold. If the gold item has the following 4 symbols of the BIS hallmark, the gold is genuine:
But what if you wanted to check the purity of your gold at home? You can do so with these simple tests that help you differentiate between real and artificial gold.
Real gold is non-magnetic in nature.
So, if your gold gets attracted to a magnet, it may be impure.
Real gold does not react with nitric acid. However, the acid does react with a lot of other common metals.
Hence, if you observe a change in colour to light greenish, the gold may not be real.
Apply liquid foundation to your forehead and then rub the gold item on your forehead.
If a black streak is left behind, the gold may be artificial.
Drop your gold item in a jug of water.
Since real gold is heavy, the item should sink.
If your gold item floats, it may not be real.
The most fool proof way to verify the authenticity of your gold is by taking it to a jeweller or hallmarking center to get its purity tested.
KDM means gold in which cadmium could be mixed in a ratio of 92 per cent and 8 per cent, which ensured purity of 92 per cent. Cadmium-soldered jewellery was widely known as KDM jewellery. While KDM gold has been popular, it has been removed from circulation because it has been proven to be hazardous to health.
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