Asked by kay

In atom absorption spectroscopy, why is it important for the cathode tube to be the same metal as that being determined?

13 years ago

Answered by DrBob222

The energy being emitted by the cathode tube will be absorbed by the metal for which the sample is being analyzed. Other elements will not absorb at that wavelength.

13 years ago

Answered by kay

thanks DrBob222

13 years ago

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