The easiest way to identify 18k gold at home
As the jewelry market continues to expand, the identification methods of various metal products are becoming more and more important. Among them, the identification of 18k gold is particularly important because it has a higher value and more processing advantages than 24k gold. Here are some of the easiest ways to identify 18k gold at home.
1. Observe the imprint.
When buying 18K gold products, be sure to look for 18K or AU750 imprints on them. This is the most basic way to tell if it is 18k gold. If the imprint is blurry or unimprinted, then it is most likely not 18k gold.
Second, weigh the weight.
Due to the presence of other metals in the composition of 18k gold, it will be denser than 24k gold. Therefore, with the same size of 18k gold and 24k gold, 18k gold will be a bit heavier than 24k gold. By weighing the weight, it can be preliminarily determined whether the metal is 18k gold.
3. Look at the color.
18k gold is usually darker in color than 24k gold, showing a faint yellowish-white color. If the color is too bright or too dull, then this product may not be 18k gold.
Fourth, test hardness.
Since 18k gold is harder than 24k gold, you can try to scratch the surface of the metal with some hard objects. If the scratches are more noticeable, then this product may not be 18k gold.
5. Drip identification.
Place a drop of water on the surface of the metal and observe the diffusion rate of the droplet. If the water droplets diffuse slowly, then the metal may be 18k gold, because 18k gold has a stronger adsorption capacity. If the water droplets diffuse quickly, then the metal may not be 18k gold.
6. Fire identification.
The metal is heated to a reddened state and the color change is observed. If the color change is more obvious, then this metal may be 18k gold, because 18k gold has a relatively high content of other metals, and oxidation reactions will occur at high temperatures. If the color change is not noticeable, then this metal may not be 18k gold.
It should be noted that fire identification requires certain skills and experience, and improper operation may lead to damage to the metal surface. Therefore, if you are not a professional, it is not advisable to use this method for identification.
To sum up, the above is the easiest way to identify 18k gold at home. Through these methods, it can be preliminarily determined whether the metal is 18k gold or not. However, it should be noted that these methods are not 100% accurate, and if more accurate identification results are required, it is recommended to go to a professional appraisal agency for identification.
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