Explanation:
1, the so-called "925 sterling silver A goods", in fact, can not be completely fake. Its material is 925 pure silver, but it is plated with a layer of alloy (making it bright and not easy to oxidize), which makes the finished product smooth and flawless, and the turning and joint are even but not rough, much like 925 B goods.
Needless to say, it is to plate a layer of silver on the surface of copper.
3, the finished product made in this way can be seen as fake at a glance, which is generally not the case.
Identification method:
(1) color discrimination method: observe high-quality silver jewelry with eyes, it looks white, shiny and fine in workmanship, and the store number is printed on the jewelry; It looks yellow and rough, and it is a silver jewelry with low quality; Most of the color difference and dullness are fake silver ornaments.
(2) Bending method: silver jewelry is bent by hand, which is soft and waxy, easy to bend and not easy to break, and has high color; Stiff, or barely folded, some can't even fold their fingers, and the color is low; Silver-plated jewelry will crack if it is bent or knocked a few times with a hammer; Not easy to bend, but also easy to break.
(3) nitric acid identification method. Dropping nitric acid on the file mouth of silver jewelry with a glass rod, the color is high brown rice color, stable green or emblem green; Dark green, even black, with low color and no foam or foam on the document.
(4) Throwing method. Throw the silver jewelry on the table from top to bottom, the bounce is not high, there is a "poop-poop" sound, is it true or high quality; Silver ornaments that jump higher and have a sharp sound thrown on the bed board are fake or of low quality.
It is better to be a trade union of sterling silver jewelry. There will be no seams in the chain part, and the polished part will be smooth and won't make people feel shoddy.