chapter 17
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what does the peak furthest to the right on a mass spectrometer show
the mr of a compound
how does fragmentation affect the mass spectrometer
2 species are formed - one that shows up (positively charged ion) and one that doesn’t (radical that stays in the machine)
one use of mass spectrometers
detecting different molecules - e.g. sports to test urine samples for banned substances
where does fragmentation occur in a mass spectrometer
ionisation area
what is the M+1 peak
small peak after M+ peak
how do you find the empirical formula of a compound
percentage / mr then divide by smallest answer
what does a flat line on an infrared spectrometer
no absorbance
what does a curved line mean on an infrared spectrometer
absorbance
what are the 3 things to say when talking about a peak on an infrared spectrometer
• range (e.g. 3200-3600cm-1) • type of bond (e.g. O-H) • type of molecule (e.g. alcohol)