jewelry marcasite wholesale Who knows the history and development of platinum
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jewelry marcasite wholesale Who knows the history and development of platinum
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american diamond jewelry wholesale india The history of platinum:
It from prehistoric civilization to princess and pop music protagonist -platinum, the so -called "new metal", its story is far longer than your imagination. Platinum is hidden in meteorites. The earliest records can be traced back to 2 billion years ago. At that time, a meteor hit the earth. Since then, this rare and charming treasure has appeared in the entire historical long river, and sometimes suddenly a few centuries disappeared, which is confusing, but also attracts those who meet it unexpectedly. The ancient Egyptians, the ancient Indian civilization, and the Spanish conquerors have encountered platinum. After that, it appeared again in the 18th century, making the king and the alchemist equally crazy. In the 19th and 20th centuries, platinum was more and more admired and loved by people. Today, it is already the precious metal for movie stars and upper people. Platinum English is called: platinum.
The development and use of platinum:
The performance of platinum is superior and its use is very wide. In the jewelry industry, it is mainly used for decorations and crafts. In the chemical industry, it is used to create catalysts for high -grade chemical utensils, platinum, electrodes, and accelerated chemical reactions. Platinum alloy is a material for making the tip of the tap.
1, platinum has strong antioxidant power and high melting point, so it is also used to make aerospace uniforms. Platinum, as a catalyst, is widely used in the tail purification device of the car, plays an important role in protecting the environment.
2, during World War II, platinum has very important military use because it is a good catalyst with high melting point. The U.S. government once banned platinum non -military affairs.
3, no one's skin is allergic to platinum. Platinum can be used as electrodes for electronic pulse regulator, directly inserted into the heart of the human body, and cure patients with arrhythmia.
4, platinum can also be used to make waterproof watches with a diving depth of 200 meters.
geody rock jewelry pedant wholesale The earliest records could be traced back to 200 billion years ago, when a meteor hit the earth. Since then, this rare and charming treasure has appeared in the entire historical long river, and sometimes suddenly a few centuries disappeared, which is confusing, but also attracts those who meet it unexpectedly. The ancient Egyptians, the ancient Indian civilization, and the Spanish conquerors have encountered platinum. After that, it appeared again in the 18th century, making the king and the alchemist equally crazy. In the 19th and 20th centuries, platinum was more and more admired and loved by people. Today, it is already the precious metal for movie stars and upper people. Platinum English is called: platinum.
Platinum -also known as pure platinum. Its symbol is PT silver gray -white, the gravity is 21.35, the melting point is 1700 ° C, Moh's hardness is 4-4.5 degrees, and the chemical stability is not affected by acid and alkali. Pure platinum is relatively soft, and adding metals such as 钯, 铑, and 钌 will increase its hardness.
■ Seven characteristics of platinum
1. The highest purity
has 95%of pure platinum in the alloy of platinum and 75%of gold with 18K gold. A platinum jewelry has a higher purity than gold jewelry.
2. The rarer
The 140 tons of platinum in the world each year, while the annual output of gold is 3,300 tons.
3. Only the skilled craftsmen can make it. The melting point of platinum is higher than that of gold, so it is more proficient in the technical requirements of workers.
4. The most stable
Clatin is the strongest metal with the strongest resistance to acid, alkali, high temperature, and will not fade or change color. Platinum rings generally do not deform.
5. Good luster and ductility
Platinum has natural white and gloss, which will not affect the color of the gem, and it can make the gemstone shine and "fire", and the good ductility also makes it suitable for processing.
6. It will definitely not make the jewelry a allergic reaction.
7. Valuable and outstanding.
This of platinum
This internationally the word of platinum is PT, Plat, or Platinum, and represented it with pure thousand points. For example, PT900 indicates that the purity is 900%O. The specifications of platinum jewelry are marked with PT1000, PT950, PT900, and PT850.
The purity is expressed at the lowest value, and there is no negative difference. The purity range of platinum is shown in the table. Platinum alloy jewelry should comply with the provisions of the table below, and the total content of platinum and pupa should not be less than 950 ‰.
■ Platinum types
pure platinum: the highest color platinum. Commonly used for making engagement rings to show the pure virginity of love. Many people think that inlaid diamonds with gold may cause diamond yellowing, which greatly reduces the price of diamonds. With platinum inlaid diamonds, the pure white color of diamonds can be kept, especially as an engagement ring. Platinum inlaid diamonds with platinum are both white and crystal. However, although platinum has higher hardness than gold, inlaid diamonds and jewelry are still insufficient, and they often need to be mixed with "gold" to make "platinum alloy" to inlay diamonds.
This platinum: alloy composed of 铱 and platinum. The color is also silver -white, with strong metal luster. High hardness. The relative density is also large, and the chemical properties are stable. It is an excellent platinum alloy jewelry material.
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where to buy fine jewelry wholesale From prehistoric civilization to princess and pop music protagonist, platinum, the so -called "new metal", its story is far longer than your imagination. Platinum is hidden in meteorites. The earliest records can be traced back to 2 billion years ago. At that time, a meteor hit the earth. Since then, this rare and charming treasure has appeared in the entire historical long river, and sometimes suddenly a few centuries disappeared, which is confusing, but also attracts those who meet it unexpectedly. The ancient Egyptians, the ancient Indian civilization, and the Spanish conquerors have encountered platinum. After that, it appeared again in the 18th century, making the king and the alchemist equally crazy. In the 19th and 20th centuries, platinum was more and more admired and loved by people. Today, it is already the precious metal for movie stars and upper people. Platinum's English is called Platinum.
The alchemy alchemy
in the 18th century, platinum began to enter Europe. Soon, it became an extremely important ingredient in the alchemy fanatic. Due to its special chemical properties, when the fearless inventors try to convert lead into gold, platinum becomes necessary ingredients in pharmaceutical agents.
The king of metal
1751 -When Swedish scientist Tefel West Buddha classified platinum into valuable metals, platinum became the favorite of the royal family. In the 1980s, King Louis XVI France announced that it was the only metal suitable for the king. His jewelrymith Mark Etini Keniti designed several platinum products for him, including a gorgeous sugar can bowl Essence
[Edit this paragraph] Platinum and its characteristics
hd jewelry wholesale A meteorite hit the earth's North America part of 2 billion years ago, which contained rich platinum; in 1590, platinum was discovered by Spanish conquest; more than two hundred years later, she was crowned by the King of France Louis XIIC as "the only suitable suitable suitable for the only suitable suitable for the only suitable suitable for" the only suitable suitable for the only suitable suitable for The king's precious metal "has been respected as" the king of precious metals "; in 1900, Louis Cartier applied platinum to his" flower ring "crown jewelry, and platinum was first applied to the production of high -end jewelry. Since then, the Platinum Crown has swept the European royal family. Today, platinum jewelry is already the preferred accessories for celebrities and celebrities to attend the grand ceremony: Harry Berry, Mike Douglas, Jennifer Aniston have a soft spot for platinum, Eva Ronglia, Catherine Zeta Jones I chose a platinum wedding ring to witness my immortal love. At the 81st Oscar awards ceremony this year, Kate Winst and Peronolop Cruz all chose platinum jewelry to witness glory, Heidi, Beyonce, Natali Potman The international first -line superstar also wore classic platinum jewelry, setting off a white trend that never passed on the red carpet.
In more details, you can browse the website of the International Platinum Association