Types of Chromatography

Question 1

what is chromatography?

Answer 1

• used to separate individual components from a mixture of substances

Question 2

what are the phases in chromatography?

Answer 2

• stationary phase
• mobile phase

Question 3

what is the stationary phase?

Answer 3

phase that does not move, it is normally a solid and liquid

Question 4

what is a mobile phase?

Answer 4

phase that does move, it is normally a liquid or gas

Question 5

what does TLC do?

Answer 5

• TLC indicates how many components are in a mixture

Question 6

what does TLC use?

Answer 6

• uses TLC plate

Question 7

what is a TLC plate?

Answer 7

• usually a plastic sheet or glass
• coated with a thin layer of a solid absorbent substance
• usually silica

Question 8

what is the adsorbent in TLC?

Answer 8

• the adsorbent is the stationary phase in TLC