Precious metal

Silver, also known as white metal, has been used for many years in jewellery and coins and was a symbol of wealth and prestige. But today, silver's primary use is industrial because it resists corrosion and oxidation. New innovations like cell phones or solar panels are constantly emerging to take advantage of silver's unique properties. Silver is a precious metal because it is rare and valuable. It's non-toxic, antimicrobial qualities make it useful in medicine and pharmaceutical products.…

check every wire for impurities. Chinese wire should be assumed to be contaminated, since this is normal with Chinese products. When referencing the purity of their metals, companies use an obscure way of gauging purity. Whenever a seller of a precious metal refers to it as having a purity of 925, it equates to 92.5 percent, so the given metal would be almost 10 percent impure. Most people will assume that a purity rating of 925 means that silver contains only 0.925% impurities, and therefore it…

bodies over Mount Olympus, it will be wealthy and has an experienced ruler.Hades would make a great president, along with Cerberus as vice president. Along with being the god of the underworld, Hades is also the god of wealth. Because all precious metals come from the ground, and the ground is Hades domain,…

What was the global impact of foods, diseases, precious metals, and/or ideas exchanged from American indigenous populations to Europe? What was the global impact of foods, diseases, precious metals, and/or ideas exchanged from European populations to the Americas? What specific people, places, events, or ideas were significant in the relationship between the Old World and…

The term gilding is used to describe the process of covering an object with a thin top layer of gold or another precious metal onto an object that is not precious in of itself. This was the beginning that led to the period of rapid economic growth, but also much social conflict in the final three decades of 19th century. In essence an object looks to be very precious and expensive because it looks to be made of gold; however, looks are deceiving, the objects only covered by a very thin layer of…

buried with him in his tomb. The dagger depicted him as strong and powerful. Tutankhamun's dagger was a very unique dagger. It was made out of rare material which no ordinary Egyptian had. The dagger was crafted specifically for Tutankhamun out of precious metals only he could obtain. The ancient Egypt civilization was an independent and unified civilization located in Ancient Northeastern Africa. Its history is mainly divided into three periods. These periods are called the Old Kingdom,…

selected for the Element Research Project is Osmium. Osmium’s chemical symbol is Os. Osmium’s atomic mass is 190 amu. Osmium’s atomic number is 76, it has 76 protons and 76 electrons. Osmium also has 114 neutrons. Osmium belongs to the transition metal group in the middle of the periodic table. Osmium’s Bohr model with electric configuration has two electrons in the first shell, eight in the second shell, eighteen is the third shell, thirty two in the fourth shell, fourteen in the fifth shell,…

Have you ever wondered why a dollar or even a coin has any value at all? It’s just a piece of paper or metal and just as easily seashells or beads could have been given value for trade, right? Well what’s stopping other physical objects, or in this case pieces of code, from having value? Virtual currency or “cryptocurrency”, so called because it is a currency that uses a form of cryptography, is a type of currency that exists solely online. One of the most successful cryptocurrencies to emerge…

Iraq has plenty of oil and the United states wanted to gain this precious commodity. So first off, the US sent in correspondents to bribe the Sadam Hussein into exporting oil to the US for an extremely low price. This didn’t workout, so the US government tried to find a way to assassinate the Sadam Hussein, although that proved to be…

used in endodontically treated, weakened teeth as a basis for prosthetic crowns. The primary reason for using a post is to retain a core with the objective to restore the missing coronal tooth structure . Of the amount post systems available, custom metal posts or pre-fabricated fiber-reinforced composite resin (FRC) posts are more recommended for clinical use. FRC posts have mechanical anisotropic properties. The longevity and strength of a restoration is related on the post material, the…