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23 Nov 2019
81 â¢â¢â¢ EngineeringApplication,Context-Rich Your forensic chemistry group,working closelywith local law enforcement agencies, has acquired amassspectrometer similar to that discussed in the text. It employsauniform magnetic field that has a magnitude of 0.75 T. Tocalibratethe mass spectrometer, you decide to measure the massesof variouscarbon isotopes by measuring the position of impact ofthe varioussingly ionized carbon ions that have entered thespectrometer with akinetic energy of 25 keV. A wire chamber withposition sensitivityof 0.50 mm is part of the apparatus. What willbe the limit on itsmass resolution (in kg) for ions in this massrange, that is, thosewhose mass is on the order of that of acarbon atom?
81 â¢â¢â¢ EngineeringApplication,Context-Rich Your forensic chemistry group,working closelywith local law enforcement agencies, has acquired amassspectrometer similar to that discussed in the text. It employsauniform magnetic field that has a magnitude of 0.75 T. Tocalibratethe mass spectrometer, you decide to measure the massesof variouscarbon isotopes by measuring the position of impact ofthe varioussingly ionized carbon ions that have entered thespectrometer with akinetic energy of 25 keV. A wire chamber withposition sensitivityof 0.50 mm is part of the apparatus. What willbe the limit on itsmass resolution (in kg) for ions in this massrange, that is, thosewhose mass is on the order of that of acarbon atom?
