Why are #NaCl# plates used instead of quartz plates in IR spectroscopy to load sample?

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anor277 Share
Aug 9, 2015

Answer:

Because glass (i.e. quartz) would absorb in the IR spectrum, and mask the absorption of your sample.

Explanation:

#NaCl# absorptions are transparent to most of the #IR# spectrum; there are absorbtions at #400-600cm^(-1)#, which leaves most of the spectrum transparent.

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