mass spectrometry
nounDefinition of mass spectrometry
— called also mass spectroscopy
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When the sample in question was anything other than plant matter — maybe brownies or a vape pen — labs relied on something called gas chromatography-mass spectrometry to detect THC, without figuring out the exact concentration. — Keri Blakinger, Houston Chronicle, "Four Texas DAs announce shared plan to stop charging low-level pot cases in light of hemp bill," 3 July 2019 The scientists would pick up a cooler full of frozen wastewater samples, thaw them and analyze them using liquid chromatography and mass spectrometry. — Gene Johnson, The Seattle Times, "Gee whiz: Testing of Tacoma sewage confirms rise in marijuana use," 24 June 2019 The scientists would pick up a cooler full of frozen wastewater samples, thaw them, and analyze them using liquid chromatography and mass spectrometry. — Gene Johnson, BostonGlobe.com, "Gee whiz: Testing of sewage confirms rise in marijuana use," 20 June 2019 The scientists would pick up a cooler full of frozen wastewater samples, thaw them and analyze them using liquid chromatography and mass spectrometry. — Washington Post, "Gee whiz: Testing of sewage confirms rise in marijuana use," 20 June 2019 The National High Magnetic Field Laboratory—or MagLab, as it's known—works with a variety of high-strength magnets for everything from mass spectrometry to magnetic resonance. — David Grossman, Popular Mechanics, "This Is the Strongest Superconducting Magnet Ever," 19 June 2019 The scientists took 20-milligram samples of the interior and exterior surfaces of nine containers, ground them into powder and subjected them to gas chromatography and mass spectrometry. — Amina Khan, latimes.com, "Ancient drug paraphernalia reveals that people smoked pot in China 2,500 years ago," 12 June 2019 The organic material was examined in a laboratory through a chemical analysis known as gas chromatography - mass spectrometry (GC-MS) that revealed the presence of cannabis with relatively high levels of THC. — Joel Achenbach, Anchorage Daily News, "Archaeologists find signs of ritualized cannabis smoking 2,500 years ago in China," 13 June 2019 Yang's and Ren's team ground bits of brazier into powder and applied gas chromatography and mass spectrometry to identify chemical compounds left behind. — Andrew Lawler, Science | AAAS, "Oldest evidence of marijuana use discovered in 2500-year-old cemetery in peaks of western China," 12 June 2019These example sentences are selected automatically from various online news sources to reflect current usage of the word 'mass spectrometry.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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