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A-Level Chemistry Edexcel > 19C: Chromatography > Flashcards

19C: Chromatography Flashcards

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1
Q

State how chromatography works

A

Separates components of a mixture between a mobile phase and a stationary phase

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2
Q

State the equation to calculate Rf values from one-way chromatograms

A

Average distance moved by substance / distance moved by solvent

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3
Q

What type of chromatography are high performance liquid chromatography, HPLC, and gas chromatography, GC?

A

Column chromatography

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4
Q

How do high performance liquid chromatography, HPLC, and gas chromatography, GC, seperate substances?

A

Different retention times in the column

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5
Q

How may high performance liquid chromatography, HPLC, and gas chromatography, GC, be used?

A

Used with mass spectrometry, in forensics or drugs testing

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A-Level Chemistry Edexcel (34 decks)

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