Sort the following statements as True or False regarding collision cells. True F

Question

Sort the following statements as True or False regarding collision cells. True False Placed immediately before the detector in the ion path within an ICP-MS instrument Guides ions to the entrance of the mass spectrometer Used as an isolation chamber to prevent the formation of ions in ICP-M:S Uses H2 as a collision gas Generates an analyte adduct via collisions that has a different mass-to-charge from the interfering ions Commonly employed with a graphite furnace atomic absorption spectroscopy Reduces the spread of ion kinetic energy by a factor of 10

Explanation / Answer

True:

Collision cells guide ions to the entrance of the mass spectrometer

Collison cell uses H2 as a collision gas



False:

Collision cells are placed immediately before the detector in the ion path within an ICP-MS instrumemt. True statement would be " Collision cells are placed immediately before the Quadurpole in the ion path within an ICP-MS instrumemt ".


Collision cells used as an isolation chamber to prevent the formation of ions in ICP-MS. True statement would be " Collision cells used as an isolation chamber to elemenate the isobaric intervantion in ICP-MS.

Isobaric intervantion does mean " Elemental isobaric interference

Collison cell generates an analyte adduct via collisions that has a different mass to charge from th interfering ions.

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