Jewelry industry has a long history, it is a capital intensive industry, and at the same time, a technology intensive industry. Along with the deepening of reform and opening up, the continuous improvement of people's living standards, more Cocktail Glass with Cherry Charm and more domestic jewelry market caused the attention of the world, China's jewelry industry should cherish this golden opportunity, the industry bigger and stronger. Therefore, jewelry industry colleagues and financial circles, should be closely cooperate with science and education, to grasp the industrial development of the international latest technology and information.
HPHT processing technology is the gem links of london jewellery diamond diamond king, it is the world's largest gem species. Consumption With the increase of demand for high quality diamond is in short supply, trend, Europe and the United States in recent years some big companies are doing HPHT processing diamond technology research and development, in order to meet the social needs work.
HPHT is the abbreviation of high links of london temperature and high pressure treatment, its purpose is to change or improve certain kinds of diamond natural body color, make its present the more valuable color. HPHT color process usually include reduced or improve removal of brown diamond. Type a brown diamond the processed present most brilliant love links bracelet green, yellow and brown; Ⅱ type a brown diamond the processed show colorless most, can sometimes is pink. In very rare cases, Ⅱ type b diamonds or gray diamond after processing can be turned into the blue. America's Sundance company has can provide HPHT processing business, processing is the price of $300 per carat. In this technology development situation, and domestic jewelry links of london friendship bracelet industry and testing industry should give full attention.
Red, blue sapphire improvement technology of natural red, sapphire, because the scarcity of resources, improve the handling DuoZhong at present had the new technology has been applied to improve the quality of the links precious stones. These processing technology mainly includes: flux heat treatment method, surface treatment links jewelry co uk method, deep spread diffusion process and the latest lead glass filling method.
The current flux heat treatment method is to add borax or silicon soil and other flux to healing fracture or open fissure filling and empty, can improve the hardness of precious stones. Surface heat treatment method that is spread to add color to crucible compounds, will heat transfer process can't handle colorless sapphire made for color links of london charm sapphires. Titanium and iron compounds is used to output blue sapphire, and chromium compounds are used to deal with ruby. These transition metal elements can only in very shallow depth diffuses into the gems and cause color, so the processing method can easily through the extraction methods of oil amplification observation detected. Deep diffusion process is QingYuanSu (such as business links bracelet by external) spread to corundum, he element grid work has been proved to Be as yellow color heart stabilizer involved in handling the gem color mechanism. Ruby lead glass filling method is the latest improve the clarity of the processing technology, has set up a file in the middle of 2004 YuBaoShi appear on the links of london sweetie-bracelets sale market. With this method include high refractive index glass (such as lead glass or take off bo changes a glass) or open fissure filling cracks, can easily be EDXRF (X-ray diffraction) detected.