instrumental methods

instrumnetla methods

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  • Created by: Sam
  • Created on: 30-03-12 16:31

Machines

PPros

 - accurate

 - faster

 - dont need trained scientists, only technicians

Cons

 - very expensive

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Methods

Atomic absorption spectroscopy

 - identifying metals

 - different metals absorb different patterns of light

Infrared spectrometry

 - indenifying compounds

 - different pattern for each compound

Ultraviolet

 - same as above

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Methods

Nuclear Magnetic Resonance

 - identifing organic compounds

 - shows what hydrogen atoms are connected to

Gas-liquid chromatography

 - indentifying liquids and gas's

 - similar to paper chromatography

Mass Spectrometry

- elements and compounds

 - tells you mass of each particle or molecule

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