Parker

Other uses of Parker:. Due to its rarity, platinum is a highly priced metal, more so than gold or silver. The company name Parker may refer to:. It was the first British Crown to be made of that metal. The name Parker may refer to:. The frame of the Crown of Queen Elizabeth the Queen Mother, manufactured for her Coronation as Consort of King George VI is made of platinum. The placename Parker may refer to:. Platinum is considered a precious metal, although its use as such is much more rare than the use of gold or silver.

. And some products, such as blenders and vehicles, with a silvery-white colour are identified as "platinum". Parker is a popular name of people and places. For example, a musical album that has sold more than 1,000,000 copies, will be credited as "platinum". Parker Heritage celebrating and preserving Parker genealogical history. "Platinum awards" are the highest possible, ranking above gold, silver and bronze. William Parker School. "Platinum" credit cards have greater privileges than do "gold" ones.

Parker Road is a major arterial in both Aurora, Colorado and Plano, Texas; the Parker Road light rail station serves the latter. Platinum's rarity as a metal has caused advertisers to associate it with exclusivity and wealth. Parker Morris Committee and the Parker Morris Standards. Certain platinum complexes (cis-platin) have been used in chemotherapy, as they have very good anti-tumor activity, though they do unfortunately cause cumulative irreversible kidney damage. Parker and the Vicious Circle. Platinum compounds rarely occur in nature. Mrs. This metal doesn't normally cause health problems due to its unreactive nature.

Judge Parker comic strip. There are also many other radioisotopes with the most stable being Pt-193 with a half-life of 50 years. Parker High School. Naturally occurring platinum is composed of five stable isotopes and one radioisotope, Pt-190, which has a very long half-life (over 6 billion years or 190 Ps). George S. The huge quantities of nickel ore processed makes up for the fact that platinum is present as only 0.5 ppm in the ore. The Fort Parker Massacre. Platinum is produced commercially as a by-product of nickel ore processing in the Sudbury deposit.

The Parker Pen Company. Platinum, often accompanied by small amounts of other platinum family metals, occurs in alluvial placer deposits in the Witwatersrand of South Africa, Colombia, Ontario, the Ural Mountains, and in certain western American states. Parker Guitars. Cooperite occurs in the Merensky Reef within the Bushveld complex, Transvaal, South Africa. Parker Hannifin Corporation. The rare sulfide mineral cooperite, (Pt,Pd,Ni)S, contains platinum along with palladium and nickel. Parker Brothers. The platinum arsenide, sperrylite, is a major source of platinum associated with nickel ores in the Sudbury Basin deposit.

Parker and Lee. Platinum is often found as native platinum and alloyed with iridium as platiniridium. John Parker (alien), fictional character in Buckaroo Banzai. Platinum is also used in the definition of the Standard hydrogen electrode. The main character in the video game Red Faction. A platinum-iridium cylinder serves to this day as the standard of the kilogram and is housed in the same facility as the metre bar. Peter Parker, the secret identity of the Marvel Comics character Spider-Man. The definition of a metre for a long time was based on the distance between two marks on a bar of a platinum-iridium alloy housed at the Bureau International des Poids et Mesures in Sèvres, France.

The butler of Lady Penelope Creighton-Ward in the Thunderbirds television series. The alchemical symbol for platinum (shown below) was made by joining the symbols of silver and gold. Westlake under the pseudonym Richard Stark – see Parker (fictional criminal). Before that could happen Charles Wood independently isolated the element in 1741. A fictional character in the novels by Donald E. Though he was well-treated in England, and even made a member of the Royal Society he was prevented from publishing a reference to the unknown metal until 1748. Jennifer Parker from the Back to the Future films. British privateers intercepted Ulloa's ship on the return voyage.

William Parker. Among other things, Ulloa observed the platina del pinto, the unworkable metal found with gold in New Granada (Colombia). Walter Richard Parker. Platinum was discovered by astronomer Antonio de Ulloa and Don Jorge Juan y Santacilia (1713-1773), both appointed by King Philip V to join a geographical expedition in Peru that lasted from 1735 to 1745. Trey Parker. They regarded platinum as an unwanted impurity in the silver they were mining, and often discarded it. Tony Parker. The Spaniards named the metal "platina," or little silver, when they first encountered it in Colombia.

Thomas Parker, 1st Earl of Macclesfield. Though the metal was used by pre-Columbian Native Americans, the first European reference to platinum appears in 1557 in the writings of the Italian humanist Julius Caesar Scaliger (1484-1558) as a description of a mysterious metal found in Central American mines between Darién (Panama) and Mexico ("up until now impossible to melt by any of the Spanish arts"). Theodore Parker. Naturally-occurring platinum and platinum-rich alloys have been known for a long time. Suzy Parker. Common oxidation states of platinum include +2, +3, and +4. Stuart Parker. This metal is insoluble in hydrochloric and nitric acid, but does dissolve in the mixture known as aqua regia (forming chloroplatinic acid).

Scott Parker. Platinum does not oxidise in air at any temperature, but can be corroded by cyanides, halogens, sulfur, and caustic alkalis. Sarah Jessica Parker. All these properties have been exploited for industrial applications. Sarah Parker. Platinum possesses remarkable resistance to chemical attack, excellent high-temperature characteristics, and stable electrical properties. Robert Parker (numerous people share this name). In the 18th century, platinum's rarity made King Louis XV of France declare it the only metal fit for a king.

Ray Parker Jr. The price of platinum changes along with its availability, but it normally costs about twice as much as gold. Quanah Parker. Platinum is more precious than gold. Pete Parker. Platinum's wear- and tarnish-resistance characteristics are well suited for making fine jewelry. Pauline Parker of the Parker-Hulme murder. For this catalytic property, platinum is used in catalytic converters, incorporated in automobile exhaust systems, as well as tips of spark plugs.

Parker Posey. The catalytic properties of the six platinum family metals are outstanding (a mixture of hydrogen and oxygen explodes in the presence of platinum). Parker Mitchell. The metal is corrosion-resistant. Melvin Parker. The metal appears silvery-white when pure, and firm. Matthew Parker. .

Maceo Parker. Platinum is used in jewellery, laboratory equipment, electrical contacts, dentistry, and automobile emissions control devices. Lionel Dyke "Pete" Parker. A heavy, malleable, ductile, precious, grey-white transition metal, platinum is resistant to corrosion and occurs in some nickel and copper ores along with some native deposits. Parker. Platinum is a chemical element in the periodic table that has the symbol Pt and atomic number 78. K.J. Nuclides and Isotopes Fourteenth Edition: Chart of the Nuclides, General Electric Company, 1989.

Keith Parker Williams. Los Alamos National Laboratory - Platinum. John Parker (numerous people share this name). electrodes for use in electrolysis. John Parker Hale. platinum resistance thermometers,. Georgie Parker. For example, cisplatin, carboplatin and oxaliplatin belong to this class of drugs,.

George Parker, 2nd Earl of Macclesfield. certain platinum-containing compounds are capable of intercalating into DNA and are chemotherapeutic agents owing to this capability. Geoff Parker. catalyst utilized in the catalytic converter, an optional component of the gasoline-fuelled automobile exhaust system (see "Notable characteristics" in this article),. Francis Parker Yockey. Fess Parker.

Evan Parker. Eugene Parker, astrophysicist. Parker. Ely S.

Ellis Parker Butler. Eleanor Parker. Dorothy Parker (born Dorothy Rothschild). Dave Parker (numerous people share this name).

Daniel Parker. Cynthia Ann Parker. Colonel Tom Parker. Clifton Parker.

Claire Parker (see Alexandre Alexeieff and Claire Parker). Charlie Parker. Charles Parker (numerous people share this name). Cameron Parker.

Camilla Parker Bowles (now Camilla, Duchess of Cornwall). Bonnie Parker of Bonnie and Clyde. Parker. Arthur C.

Parker. Alton B. Alan Parker. A volcano on the Mindanao island of the Philippines – see Parker (volcano).

Parker Township, Pennsylvania. Parker Township, Morrison County, Minnesota. Parker Township, Marshall County, Minnesota. Parker Strip, Arizona.

Parker School, Montana. Parker County, Texas. Parker City, Indiana. Parker, Texas.

Parker, South Dakota. Parker, South Carolina. Parker, Pennsylvania. Parker, Kansas.

Parker, Idaho. Parker, Florida. Parker, Colorado. Parker, Arizona.

Mount Parker (numerous places share this name).