999 Foot gold is a very high -purity gold material, and there are many 999 foot gold jewelry in the market.However, due to the continuous improvement of imitation technology, counterfeit and shoddy products have also emerged endlessly.Therefore, the correct identification method is essential for buyers.Next, I will introduce to you in detail how to identify the authenticity of 999 foot gold.
First of all, pay attention to the appearance inspection.The authentic 999 foot gold products are usually marked with the words "999" or "AU999" on the surface, and there will also be information such as manufacturers and production date.If these logos are blurred or lacking, you need to be vigilant.
Followed by color comparison.Because gold itself has a unique color, it will show a bright yellow luster in the sun.Some inferior alloys may add other materials to change the color, so it can be judged by comparison with genuine products.
Hardness test is also one of the important ways.Because the gold with high purity is very soft, it is easy to leave scratches when used; and other materials or synthetic materials are usually higher and difficult to scratch.
X -ray fluorescent analysis method is currently the most accurate, scientific, and most direct and effective region divided into various jewelry and jewelry, the elemental ingredients and content percentage (K value) and the absorption coefficient of various jewelery and decide whether to contain lead and nickel element, etc.One of the means.
X -ray fluorescent instruments can be used to quickly determine the various elements contained in the sample, which is especially suitable for rapidly determining the ingredients contained in jewelry, clothing, cosmetics and industrial raw materials.
This technology is mainly applied to:
1. Quickly distinguish diamonds, treasure agate, pearl and artificial diamond (CZ)
2. Quickly distinguish between natural and artificial color crystals (Ruby & SAPPHIRE)
4. Test all types of 8K -24K yellow/white/rose red/blue silver jewelry
5. Test all types of synthetic diamonds and high -end oxides
6. Test natural and synthetic gems
7. mercury pollution products
When buying, you can choose to vowed to make good after -sales service, and can provide an authoritative institution certification document clearly committed to the seller.
The above are several methods for how to identify the authenticity of the 999 football. Consumers must be careful to choose the purchase channel and pay attention to the above tips!Hope to help you!
关于德璞外汇对神探文章的侵权投诉,神探做出如下声明:内容侵犯名誉侵害...
提问:.ICMarkets的中文网站?要懂汇温馨提示:尊敬的用户...
提问:.OpenTrading平台的监管有吗要懂汇温馨提示:尊敬的...
金投行情漲幅排名最新查詢金融投行是指一種專門從事公司融資、併購、...
提问:.ELANATrading是合规的吗?要懂汇温馨提示:尊敬的...