How does a mass spectrometer work and why must it be evacuated before being used?

Answer A mass spectrometer is a device that measures the masses of the atoms or molecules in a sample. There are many different types of mass spectrometers but they all work on roughly the same principle:... Read More »

Related Videos

Top Q&A For: How does a mass spectrometer work and why must ...

What Is a Gas Mass Spectrometer?

A gas mass spectrometer is an analytical instrument used to determine the concentration of elements in known samples and as a tool to deduce the composition of unknown samples. It works by detectin... Read More »

What is a Mass Spectrometer?

A mass spectrometer is a device that can be used to determine the chemical composition of a sample with high degrees of accuracy. The enabling techniques were developed early in the 20th century b... Read More »

What Is an Accelerator Mass Spectrometer?

An accelerator mass spectrometer is a laboratory device that uses a combination of magnetism and high voltage to measure radioactive elements. Though it was first demonstrated in the 1930s, the use... Read More »

What Is a Gas Chromatograph Mass Spectrometer?

A gas chromatograph mass spectrometer (GCMS) combines gas chromatography and mass spectrometry to identify and quantify substances. The process begins with the substance under study being diluted w... Read More »