Youtor
Brian Cox Short Films – Chromatography
>> YOUR LINK HERE: ___ http://youtube.com/watch?v=tTiZtGKu82U
At the Drugs Control Laboratory, King's College London, Danielle Moncrieffe explains how scientists use chromatography to test athletes' urine for banned substances. • Chromatography is the process of separating substances. Traditionally, scientists used paper, but now they use a machine called a mass spectrometer to identify substances based on weight. • Made as part of our Schools Experiments series: • • Brian Cox School Experiments • The Royal Society is a Fellowship of many of the world's most eminent scientists and is the oldest scientific academy in continuous existence. Visit our website to learn more: https://royalsociety.org/ • The Royal Society publishes leading science journals. Stay informed: https://royalsociety.org/journals/
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