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· Highly accurate.
· Enables very small quantities to be analysed.
· Very expensive.
· Needs special training.
· Gives results that can only be interpreted by comparison.
Separates different compounds in a mixture.
Gas-liquid chromatography: separated if easily vapourised.
Gel Permeation chromatography: separated by the size of their molecules.
Ion-exchanges chromatography: separated by particle charge.
High Performance Liquid chromatography: separates compounds in a solution.
Compounds are then tested and identified by comparison.…read more