Palladium Palladium Case About ?€ Palladium (Palladium):China Replica Watches element symbol Pd, is one of the platinum group elements.
1803 by the British chemist Wollaston found in the separation of ?€?platinum.
It is similar to platinum, with excellent features, will not oxidize and lose their luster in air at normal, is an abnormal value of the precious metal resources.
History of platinum group metals palladium – a metal among the “Noble House” china replica watchesPalladium is the 1803 British chemist, physicist Wollaston first successfully isolated from the crude out of platinum, palladium then began to have their own The name Palladium.
The name comes from the 1802?€ newly discovered asteroid sun Pallas-Athena.
It was a star to commemorate ancient Greek mythology, Athena, goddess of wisdom and technology planet.
Palladium features palladium, a platinum group element symbol Pd, appearance similar to platinum, silver-white metallic luster, vivid color.
The proportion of 12 lighter than platinum, scalability and strong.
Melting point 1555 ℃, hardness 4-4.5, slightly harder than platinum.
Chemical properties more stable, insoluble in organic acids ?€, cold sulfuric acid or hydrochloric acid, but dissolved in nitric acid and aqua regia, under normal and difficult to oxidation and dull.
The density of one cubic centimeter of palladium is 12.023 grams.
Athens Palladium watch case palladium jewelry?China Rolex Replica palladium relatively stable to acid erosion.
Palladium almost no impurities, high purity.
Pure palladium also very suitable for the skin, because it contains various impurities within other metals ?€ , palladium does not cause allergic skin reactions, the international jewelry industry began platinum palladium process to make it as jewelry and decorative art purposes, and gradually form fashion trend.
Palladium has excellent physical and chemical properties, high temperature, corrosion, abrasion and with a strong stretch, the purity, rarity and durability, and platinum can replace each other, either alone or making jewelry precious stone, called the best material.
Palladium jewelery beauty, from the ancient Greeks rich romantic temperament and classical fashion ??€ life style, so that people enjoy the beauty.
It is pure, beauty, wisdom, replica rolex watches eternal symbol.
As the composition of the material nature, chemical and palladium by British physicist Wollaston separated from crude platinum in 1803.
Due to the similarity of their nature and Pt, the first people to palladium ?€ as platinum jewelry one of elements.
Until recently it was as a main element in the production of jewelry.
Palladium charm precious, pure, eternal! Palladium is one of the world’s rarest precious metal content in the earth’s crust is about one one-billionth, than a lot of gold to be scarce.
Only a few countries of the world Russia and South Africa produce ?€?annual gold output of less than 5 ‰.
Also rare than platinum.
Palladium abnormal tough, jewelry made of palladium is not only ?€ charming glory?Fake Rolex Chinaplatinum-like naturalness, and withstand years of sharpening, look as new.
Palladium almost no impurities, high purity, shining white light.
Palladium purity is also very suitable for the skin, it does not cause skin irritation.
Palladium and other white metal distinction white gold (Whitegold), also known as K platinum, which is an alloy of gold and the other is made of white metal alloying later.
Its codename WG (WhiteGold), which is the meaning of the white gold.
White K gold jewelry commonly “18K Gold” or “14K Gold” and expressed.
Platinum (Platnum) symbol Pt, silver gray, the proportion of 21.35, melting point 170 ℃, ?Mohs hardness 4-4.5 degrees, chemically stable, in addition to aqua regia acid corrosion from outside.
Relatively soft pure platinum, is added ruthenium, rhodium, palladium and other metals will increase its hardness.
Platinum and platinum alloy refers to other metals, such as palladium, rhodium, yttrium, ruthenium, cobalt, copper and the like.
Despite the hardness of pure platinum than gold, but as a mosaic of ?Fake Rolex use are not enough, it is necessary with other metal alloys, it can only be used to make jewelry.
Platinum jewelry international word mark is Pt, Plat or Platinum, and purity of the figures ?€?represent the micrometer, such as Pt900 represents purity is 900 ‰.
Common platinum jewelry marked with Pt1000, Pt950, ?€ Pt900, Pt850.
Palladium (Palladium) a platinum group, silver, ?€ symbol Pd, lighter than platinum, scalability and strong, slightly harder than platinum, insoluble in organic acids, cold sulfuric acid or hydrochloric acid, but dissolved in nitric acid and aqua regia.
Under normal is not easy oxidation and dull.