In the place of chemical pollution to wear jewelry. At the same time, as far as possible with perfume, head oil, toilet water and other cosmetics contact, once the contact, easy to make jewelry surface corrosion and spot or discoloration, in order to maintain the gold jewelry luster, replica Hermes jewelry can often add a small amount of detergent in warm water, Soft brush with a soft brush, and then rinse with water, and then wipe with a soft cloth, dry. (D) gold jewelry inspection 1. Logo Jewelry mark should contain the manufacturer code, precious metal materials name and content. 2. Appearance Quality Mainly the overall shape of jewelry, processing quality and other specific quality of the test. 3. Jewelry weight Gold jewelry is calculated by weight and processing costs, the weight of jewelry is one of the important indicators, in accordance with the provisions of the weight of the jewelry unit of measurement is grams, fake Hermes jewelry gold Cartier love bracelet replica jewelry, the tolerance of a single piece of 0.01g. 4. Gold content Gold content in jewelry is an important indicator of its quality. Gold content of the test methods are many, can be divided into chemical analysis methods and instrumental analysis methods. According to the detection process of jewelry is damaged, but also can be divided into non-destructive testing and damage detection method, in the jewelry quality supervision departments of the daily inspection is generally the main non-destructive testing method, density method combined with X-ray fluorescence spectrometry, Knockoff Hermes jewelry Such as large-scale instrument analysis. Market supervision and spot checks to the main test, fire test method is the determination of gold in China’s gold content of the national testing methods. (5) the physical nature of gold Shiny red yellow, fineness in more than 95%; positive yellow, fineness in about 80%; green yellow, about 70%; yellow slightly gray, about 50%. Density of 19.32g / cm3 Hardness Moore hardness 2.5, similar to human nails. – what is platinum, platinum, k platinum and palladium In recent years, very popular use of silver-white precious metal embedded jewelery. In the Cartier love ring replica mall, the name of these precious metals is often confusing. In Taiwan, the prevalence of platinum, Cheap Hermes Jewelry K platinum to call these white metal (silver is not discussed here). In fact, this argument is often misleading and confusing, we must follow the chemical cycle table on the elements of the name to explain, in order to get a reasonable call. First, white gold (White gold): The so-called K platinum, platinum, in fact, it is a gold, nickel, copper, zinc alloy. Or gold and silver, or gold, silver and copper alloy. Also included in Taiwan’s master often used gold and palladium alloy. Its code WG (White Gold), that is, the meaning of white gold. Early to 226 (gold 6 into, palladium 2 into copper 2 into) to represent pure gold 600/1000 white gold, which is commonly known as “material”, meaning gold-containing silver metal, rather than non-gold Nickel alloy (nickle alloy) plating. General foreign stamps commonly used; WG585 (14K), WG750 (18K) or only digital represent gold content. White gold has a good reflex, easy to lose luster, platinum and palladium in the future before the large number of use, white gold is mainly used to set the gemstone jewelry silver white metal. Second, platinum (platinum): Also known as pure platinum, is platinum or real platinum. But these are not reasonable, and easy to confuse with white gold. Its symbol is Pt, silver gray, the proportion of 21.35, the melting point of 1700 ℃, Mohs hardness of 4 – 4.5 degrees, chemical stability, in addition to aqua regia without acid and alkali corrosion. Pure platinum is relatively soft, adding ruthenium, rhodium, palladium and other metals will increase its hardness. South American Indians as early as the 15th century before the production of platinum jewelry, the Europeans as late as the Replica Cartier love bracelet mid-19th century began to use, the current largest consumer of platinum in Japan.