Monthly Archives: October 2010

High-tech tools help students excel

As many students may or may not know, the Colorado School of Mines offers many different instruments to help the students obtain data that would otherwise be impossible to find. Such data includes the elemental breakdown of a random metal alloys or the composition of an organic solid. Such processes used to identify these substances are X-ray photo electron systems, also known as spectrometers. The spectrometer at Mines has a one percent sensitivity rate, giving data that is accurate to that degree. The sputter rate, the rate at which electrons are fired at an object, is 1 nanometer per minute. An auger spectrometer is available in Meyer Hall 175. It uses a process call AES, which means it uses an electron beam that is 0.3 –1 nanometer in diameter to obtain high counts on the near surface area. This machine provides an analysis of the surface area that is about 30 angstroms deep.

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