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Gold

Companies Gold

Alfa Aesar GmbH & Co KG, Germany

Alfa Aesar, now part of Thermo Fisher Scientific is a leading manufacturer and supplier of chemicals, metals, and life science products for research and development. For more than 50 years, scientists have relied on Alfa Aesar to supply high purity raw materials for a variety of research and dev more

Heraeus Materials Technology GmbH & Co. KG, Germany

W. C. Heraeus has again and again produced innovations, transforming unusual technologies into viable industrial processes, thus developing into an important partner for companies in most branches of industry and research. The Precious Metals Technology of the Engineered Materials Division manufactu more

J. G. Eytzinger GmbH, Germany

We produce Gold leaf, Powder Gold, Gold leaf in flakes, Silver and Palladium products for food, cosmetics and paint industry more

News Gold

  • Gold shines through properties of nano biosensors

    With their remarkable electrical and optical properties, along with biocompatibility, photostability and chemical stability, gold nanoclusters are gaining a foothold in a number of research areas, particularly in biosensing and biolabeling. These gold nanoclusters are chemically protected by ligands more

  • Missing golden link found: Divalent gold complex isolated for the first time in a pure form

    According to text book knowledge, the usual oxidation states of gold in compounds are +I and +III. The divalent form (+II), on the other hand, prefers to form polynuclear compounds or simply undergoes transformation into the mono- and trivalent forms. However, the elements next to gold in the period more

  • Primordial black holes may have helped to forge heavy elements

    Astronomers like to say we are the byproducts of stars, stellar furnaces that long ago fused hydrogen and helium into the elements needed for life through the process of stellar nucleosynthesis. As the late Carl Sagan once put it: "The nitrogen in our DNA, the calcium in our teeth, the iron in our b more

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Videos Gold

Gold Bullion Vault

The Bank of England protects about £197 billion ($315bn) worth of gold, according to the mostly recently published figures. more

Gold

We take a look at the element Gold - and attempt an experiment with a Casio watch. more

White papers Gold

Infographics Gold

The Composition of the Rio Olympics Medals

If you’ve been watching the Olympics, you might have assumed that the medals given out are, as advertised, made of gold, silver, and bronze. Due to metal values, however, the reality is slightly more complicated. Giving out pure gold medals would be financially crippling for the International Olympi more

The Nobel Prize Medals (and How to Make Them Disappear)

Next week, the winners of this year’s batch of Nobel Prizes will be announced. Every winner receives a Nobel Prize medal, featuring a portrait of the founder of the prizes, Albert Nobel. This graphic takes a look at the composition of these medals – and how chemistry was once used to make them disap more

Ernest Rutherford’s Birthday

Today, 30 August, marks the birthday of Ernest Rutherford. Rutherford is primarily considered a physicist, but his contribution to our understanding of the atom is also important to chemistry. He was also a chemistry Nobel Prize winner, for his work on radioactivity. This graphic looks in detail at more

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Definition

Gold

Gold Gold () is a chemical element with the symbol Au (from the Latin aurum, meaning shining dawn) and atomic number 79. It is a highly sought-after precious metal which, for many centuries, ... more

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