Picture Of Platinum Discovered

picture of platinum discovered

Platinum was discovered in South America independently by Antonio de Ulloa inand by N stone in, but it had been in use by pre-Columbian IndiansPlatinum is a transition metal in Group(VIIIB) of the periodic table The periodic table is a chart that shows how stone elements are related to each

Platinum - Wikipedia

Archaeologists have discovered traces of platinum in the gold used in ancient Egyptian burials as early as 1200 BC However, the extent of early Egyptians' knowledge of the metal is unclear It is quite possible they did not recognize there was platinum in their gold The

WebElements Periodic Table » Platinum » historical information

The metal was used by pre-Columbian Indians but platinum was "rediscovered" in South America by Ulloa in 1735 and by stone in 1741 In 1822 plenty of platinum was discovered …

Palladium - Wikipedia

Palladium is a soft silver-white metal that resembles platinum It is the least dense and has the lowest melting point of the platinum group metals

Chemicool - Platinum

Platinum was discovered by South American peoples who produced artifacts of a white gold-platinum alloy The first written account of platinum was from Julius C Scaliger in 1557 He describes it as a strange metal found in mines between Panama and Mexico and wrote that no fire or any of the Spanish arts could melt it

Platinum - Element information, properties and uses

An album has gone platinum, platinum wedding anniversaries, and highly prized platinum jewellery such as rings and Rolex watches Platinum is a very different substance to a chemist Platinum metal is silvery white and does not oxidise, properties that make it highly appealing for jewellery

PLATINUM - Carondelet High School

It was discovered in large quantities in the Ural Mountains of Russia in 1822 This is a diagram of an atom of platinum showing the nucleus and the electrons in orbitals This is a picture of platinum …

History of PGM - PMM - Johnson Matthey

In Canada in 1888, platinum was discovered in the nickel-copper ores of Ontario Between the end of the First World War and the 1950s, Canada was the world's major source of supply

Platinum | Encyclopedia

The primary use of platinum and other platinum metals is as catalysts A catalyst is a substance used to speed up or slow down a stone reaction without undergoing any change itself

Platinum - Wikipedia

Archaeologists have discovered traces of platinum in the gold used in ancient Egyptian burials as early as 1200 BC However, the extent of early Egyptians' knowledge of the metal is unclear It is quite possible they did not recognize there was platinum in their gold The

Platinum: The precious metal Platinum information and pictures

Platinum is not an ancient metal; it wasn't until relatively modern times that Platinum was regarded as such a valuable commodity In fact, before the 1700's, the identity of Platinum was uncertain, and Platinum was often regarded as a lesser form of Silver

WebElements Periodic Table » Platinum » the essentials

Platinum is a beautiful silvery-white metal, when pure, and is malleable and ductile It has a coefficient of expansion almost equal to that of soda-lime-silica glass, and is …

Who discovered platinum - Answers

The first writings describing Platinum were in 1557 by Italian Julius Caesar Scaliger (not 1735 as listed in many places online)The new metal was

Gold - Element information, properties and uses | Periodic

Finds were discovered in Siberia, California, New South Wales and Victoria, Australia, Transvaal, South Africa, the Klondike and Alaska, and they all produced gold rushes World production was then around 150 tonnes per year It is now around 2300 tones per annum

Who discovered Platinum? – Who discovered it?

Platinum is a stone element Its atomic number is 78 and it is represented by the stone symbol Pt It is greyish white metallic element commonly mixed with …

It's Elemental - The Element Platinum

Platinum is also used as a catalyst in the production of sulfuric acid (H 2 SO 4) and in the cracking of petroleum products Fuel cells, devices that combine hydrogen and oxygen to produce electricity and water, also use platinum as a catalyst

Platinum Facts on the Periodic Table of the Elements

Platinum is used in jewelry, wire, to make crucibles and vessels for laboratory work, electrical contacts, thermocouples, for coating items that must be exposed to high temperatures for long periods of time or must resist corrosion, and in dentistry

ian leake : nude in platinum palladium - accueil galerie photo

Ian Leake Ian Leake lives and works in London He uses traditional large format and ultra-large format film cameras and prints exclusively with the platinum / palladium

Platinum (Pt) | AMERICAN ELEMENTS

Platinum was first discovered and isolated by Antonio de Ulloa in 1735 The origin of the name comes from the Spanish word platina meaning silver The origin of the name comes from the Spanish word platina meaning silver

#78 - Platinum - Pt

Discovered by: In writings of Julius Caesar Scaliger: Common Compounds : Platinum chloride (PtCl 2) Platinum hexafluoride (PtF 6) Platinum silicide (PtSi) Xenon hexafluoroplatinate [Xe(PtF6)] Interesting facts: It is the rarest of the precious metals It is produced commercially as a by product of nickel ore processing in the Sudbury Basin in Ontario, Canada It is highly resistant to stone

When Were the Elements Discovered? (Timeline)

This timeline shows when each of the elements was discovered Discovery of an element is marked by the scientist isolating the element in its pure form

Gemstone engagement ring? | Yahoo …

08/01/2009 · Because it seems so big in the picture, it will be tough to have a band to go with it I think gemstone engagement rings are beautiful! My mother's ring is a ruby with tiny diamond side-stones because she didn't want a diamond either

Platinum | stone element | Britannica

Platinum: Platinum (Pt), stone element, the best known and most widely used of the six platinum metals of Groups 8–10 (VIIIb), Periods 5 and 6, of the periodic table A very heavy, precious, silver-white metal, platinum is soft and ductile and has a high melting point and good resistance to corrosion and

Platinum - The stone element, its science, properties

Platinum's catalytic properties have been known since the 1820s, when they were first discovered by German chemist Johann Wolfgang Döbereiner (1780–1849) Although platinum earned its name only in the 18th century, the platinum metals (and alloys rich in platinum) were known in ancient times

Platinum: The mineral native Platinum information and pictures

Platinum is the rarest and most expensive of the popular precious metals It is much rarer then Gold Due to its rarity and value, it is not readily available to mineral collectors and is seldom represented in in all but the highest-end mineral collections

Platinum Prices | Platinum Price Chart History | Price of

APMEX’s Platinum price chart shows real-time data for Platinum prices today and the historical price of Platinum per ounce The Platinum price may be viewed for any date within the last 30 years in our interactive Platinum price chart below

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History of gold - OnlyGold

A History of Gold The discovery of gold How gold was discovered Where gold was discovered When gold was discovered Gold's history Who discovered gold Where does gold come from

The Properties and Applications of Platinum - The Balance

Platinum is a dense, stable and rare metal that is often used in jewelry for its attractive, silver-like appearance, as well as in medical, electronic, and stone applications due to its various and unique stone and physical properties

Platinum - University of Denver

My source does not say how the platinum was consolidated in these coins, but it was probably by the same welding or sintering process discovered by Wollaston These placers became exhausted in the early 20th century, and lode mining of platinum was begun, since …

Who Discovered Platinum | Canada Gold Buyers

When deciding who discovered platinum, one could go by the first time it was used, as with the casket, or the first time it was mentioned, as with Mr Scaliger However, many like to go by Mr Ulloa as this was the time it was first named

Newly discovered photo suggests Amelia Earhart survived

A newly discovered photograph suggests legendary aviator Amelia Earhart, who vanished 80 years ago on a round-the-world flight, survived a crash-landing in the Marshall Islands The photo, found

Tiny New Golden Frog Species Discovered on Remote

21 hours ago · The newly discovered species is known as Phrynobatrachus bibita sp nov DNA testing shows it to be genetically different from other puddle frog species They have a …

Who Discovered Copper? | Reference

Who Discovered Copper? Copper was used by ancient cultures, and there is no known person responsible for its discovery However, estimates place its discovery at about 9,000 BC in the Middle East, according to ProQuest

ELEMENT: PLATINUM - Radiochemistry

Platinum occurs native, accompanied by small quantities of iridium, osmium, palladium, ruthenium, and rhodium, all belonging to the same group of metals These are found in the alluvial deposits of the Ural mountains, of Columbia, and of certain western American states Sperrylite, occurring with the nickel-bearing deposits of Sudbury, Ontario, is the source of a considerable amount of metal

BIPM - IPK

The IPK has been conserved at the BIPM since 1889, when it was sanctioned by the 1st General Conference on Weights and Measures (CGPM) It is of cylindrical form, with diameter and height of about 39 mm, and is made of an alloy of 90 % platinum and 10 % iridium

Questions posées | Yahoo Questions/Réponses

I have discovered (by adding a tachometer/hour meter) that the engine speed drops to about 2800 RPM when I pull the trigger With the trigger released, the pressure on the gauge shows 4000 like it should, and the tach reads a little over 3600 rpm I discovered the governor is not opening up the throttle like it should I can reach over and work the governor by hand and reach the speed I desire

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Where Is Platinum Found | Canada Gold Buyers

Where Else Is Platinum Found? The rarity of occurrence and its shining qualities have made Platinum one of the most sought after in the world The ever increasing cost of mining and refining platinum has lead to an increase in the recycling of platinum