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Arsenic

News Arsenic

  • Graphene heterostructures with black phosphorus, arsenic enable new infrared detectors

    MIPT scientists and their colleagues from Japan and the U.S. have calculated the parameters of photodetectors comprised by layers of graphene and a combination of black phosphorus and black arsenic. These sensors are able to detect radiation with energy less than the band gap of the constituent laye more

  • Resolving the 'invisible' gold puzzle

    The Carlin-type gold deposits in Nevada, USA, are the origin of five percent of the global production and 75 percent of the US production of gold. In these deposits, gold does not occur in the form of nuggets or veins, but is hidden - together with arsenic - in pyrite, also known as 'fool's gold'. A more

  • The holy grail of nanowire production

    Nanowires have the potential to revolutionize the technology around us. Measuring just 5-100 nanometers in diameter (a nanometer is a millionth of a millimeter), these tiny, needle-shaped crystalline structures can alter how electricity or light passes through them. They can emit, concentrate and ab more

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Videos Arsenic

Arsenic

Arsenic is element number 33. more

Infographics Arsenic

The Chemistry of Poisons

This graphic is the first in a planned series looking at the effects and chemistry of a range of different poisons. As such, it seemed appropriate to start with one of the most well known poisons: arsenic. Arsenic has been used by poisoners for centuries, primarily in the form of white arsenic, or a more

Group 5 Elements

The latest of the element infographics looks at the Group 5 elements. There is, once again, an interesting fact that I couldn’t quite fit in, or left out at the expense of others: Bismuth-209 was long thought to have heaviest stable nucleus of any element, until 2003 when it was determined by French more

Metal Ion Flame Test Colours Chart

This graphic looks at the colour of various metal and metalloid ions that occur during flame tests. Most people probably remember doing this experiment in school chemistry lessons, if not with the full range of ions shown here, but for the uninitiated a brief explanation of the origin of the colours more

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Definition

Arsenic

Arsenic |- | Critical temperature || 1673 K Arsenic () is a chemical element that has the symbol As and atomic number 33. Arsenic was discovered by Albertus Magnus (Germany ) in 1250. Its Atomic Mass ... more

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