accelerator mass spectrometry

noun

Definition of accelerator mass spectrometry

chemistry

: a technique of mass spectrometry that uses a particle accelerator to bring a small amount of the sample to be analyzed to high velocities Although accelerator mass spectrometry … was introduced in 1977, it remains relatively unknown in the chemistry community. —Celia M. Henry —abbreviation AMS

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So the scientists instead used accelerator mass spectrometry to perform radiocarbon dating on samples from the largest, oldest trees in southern Africa. — Amina Khan, latimes.com, "Africa's baobab trees can live for more than 1,000 years, but the oldest and largest of them are dying," 11 June 2018 This is why the team focused on a combination of ceramic analysis based on styles and forms, accelerator mass spectrometry and inscriptions found on some of the ceramic vessels. — Ashley Strickland, CNN, "Treasure trove reveals origins of 800-year-old shipwreck," 16 May 2018 According to Léa Surugue at The International Business Times, the researchers used a technique called accelerator mass spectrometry (AMS) to analyze paint chips from cave paintings in 14 sites in Botswana, Lesotho and South Africa. — Jason Daley, Smithsonian, "New Technique Shows San Rock Art Is 5,000 Years Old," 19 Apr. 2017

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