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IR chemistry - instrumental anaylsis

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my last instrumental analysis lab was basically about becoming familiar with using an IR spectrometer. I used a salt solution with a sodium chloride salt plate although it was not stated in the procedure to do so. the IR spectra seems to have come out fine however I'm not sure if there is any reason to not use a salt plate with a salt solution, basically i'm wondering if anyone can tell me if a salt plate in combination with a salt solution would obscure any part of the spectra of the salt solution itself?

  • IR chemistry - instrumental anaylsis - ,

    Your explanation is long but not too instructive; I'm not exactly sure what you are asking. As long as you are examining the IR spectrum in the region of about 2-15 microns, then using salt plates is ok for looking at molecules that absorb in that region. (When you salt salt plates I assume you mean NaCl plates but remember KBr and others are salt also.)

  • IR chemistry - instrumental anaylsis - ,

    Yea I know I was having a difficult time trying to figure out how to explain it. Basically I was using NaCl plates with the salt form of a drug although I wasn't supposed to. I was only supposed to use the free base form with the salt plates so I was wondering if testing the salt form with the salt plates would effect the spectra. Not sure if this clears anything up

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