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Orgo Lab 101

Discussion in 'MCAT: Medical College Admissions Test' started by jhk43, Apr 13, 2004.

  1. jhk43

    jhk43 Senior Member
    7+ Year Member

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    Can someone teach me:

    1. mass spectroscopy. how to interpret m/z ?
    2. gas chromatography. pls explain that aamc 7 q (45, 3,0.5, 0.5% hills)
    3. any other IRs to know besides OH 3300 and C=O 1700?

    thxxx
     
  2. Cerberus

    Cerberus Heroic Necromancer
    Physician 10+ Year Member

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    Very quickly...
    1) Highest peak represents molecular weight of molecule in question. After that you get peaks that should be slightly higher (+2 is common), these come from isotopes (for instance +2 is from C14). You'll also have some peaks that result from the molecule falling about (a common peak is from the COOH group falling off of a benzene)
    2) Good question, i dont know jack about gas spect
    3)
    OH 3100-3500(Broad)
    Acidic OH 3100-3500(Broadest)
    Amine-3100-3500 (Sharp)
     

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