Utiliser "spectrometry" dans une phrase

1. The components could only be determined by mass spectrometry which analysis‘s the chemical formula as it destroys the object

2. Southon at the Keck Accelerator Mass Spectrometry Laboratory of the

3. The test called gas chromatography-mass spectrometry is the most widely used for this purpose

4. The test is done using mass spectrometry (MS), a technical method for the determination of the basic constituents of a sample or molecule