Eight ways to buy gold jewelry

If you do not know what precautions are when buying gold jewelry, the author provides you with eight ways to buy gold jewelry, which you can use next time you buy. What are the matters needing attention when buying gold jewelry? 1. Look at the color according to the purity of gold, its color will be different. The color is red-yellow, this color is the best, indicating that its gold content is more than 96%, and its label will have a 24K style. 2. Weigh the density of gold 　　 If you do not know what to note when buying gold jewelry, the author provides you with eight methods to buy gold jewelry, which you can use next time you buy. What are the matters needing attention when buying gold jewelry?　　　　 1. Look at the color 　　　　 According to the purity of gold, its color will be different. The color is red-yellow, this color is the best, indicating that its gold content is more than 96%, and its label will have a 24K style.　　　　2, the weight of 　　　　The density of gold is about 19, it will feel heavy, and the weight is unlikely to be fraudulent.　　　　3, listen to the sound　　　　The higher the quality of gold, the sound is deep and elastic.　　　　4, fold hardness 　　　　 the better the gold purity, as long as you gently scratch the surface with your nails, you can see faint traces. After two or three twists and turns, there will be traces on it.　　　　 5. Ishigami 　　　　 grind the gold you want to buy on the touchstone.　　　　6, for comparison 　　　　 The gold that has been determined to be fine is also ground on the touchstone, and then the two are compared.　　　　 7. Use acid test 　　　　 If the above method does not work, put nitric acid on the gold you want to buy with a glass rod.　　　　 8. Determine the purity 　　　　 observe whether the gold on the wear scar has changed, because gold does not react with nitric acid, so it will not change. According to this principle, the higher the content, the less the wear scar will change; the lower the content, the faster the wear scar changes.　　　　 These are the methods to determine the gold content. The first four tests are relatively basic, and the latter requires the help of reagents and instruments.　　　　 The above is the author's summary of the information about gold jewelry for you. The information comes from the Internet. If there is anything wrong, please forgive me. If you need knowledge and understanding of gold jewelry processing, please pay attention to jewelry setting. Jewelry setting is waiting for your consultation!