Do you will recognize the true or false silver

The jewellery of silver can is divided into the foot silver jewellery and metal alloy jewellery of silvers according to the composition dissimilarity.The surface of the foot silver jewellery is clean, presenting the silver white, ductility good;The silver metal alloy jewellery is usually the silver copper metal alloy, its advantage is stronger and tough than silver, the plasticity is strong, but together the foot silver jewellery is similar, its anti- still change countenance the ability worse.For this, some jewelries produce the factory house in recent years electroplate the technique to use to process in the of silver up, to strengthen the jewellery to bear to whet, bear the corrosion ability.

Currently, there is the signal that many jewelries beat" pure silver" on the market sell.The consumer can distinguish from the color first.The pure degree of the silver is more high and silvery more pure, the jewellery surface has a liking for to go to even become bright, if contain the lead or coppers, the jewellery will assume the green gray or seem to be the coarseness.Can distinguish from the weight the next in order.The density of the silver compares the general familiar metals slightly big, so the silver quality jewellery is more heavy.Can also see the degree of hardness of the jewellery moreover.The degree of hardness of the silver is lower than copper, but bigger than lead, tin, the consumer can row the jewellery surface with the thumb tack, if the needle beat slippery and can hardly leave the trace, this jewellery may be cupreous;If the trace is very obvious be a then likely to be lead or tin of;If have the not that obvious trace, then can the first step judge for the silver .The end can also hear sounds.The pure silver toss the ground contain voice, inelasticity, the more soft-voiced sound of content is more low.If is the copper quality then the voice is high and point, if is a lead, the tin quality then the voice is depressed, short.
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