Answer to Question #285800 in Inorganic Chemistry for Erd

Question

1. what is the capacity factor (k’) for compounds A and B (4 marks)

2. what is selectivity factor between peaks A and B (4 marks)

3. explain the influence of reducing the flowrate on selectivity factor (5 Marks)

4. Explain the separation between compound A and B as shown on the chromatograph (5

16 14 12 10 Detector response 8 6 4 2 0 0 10 20/ 40 50 60 70 30 Time, miń

The Liquid Chromatography column is 25 cm long. The flow rate was 0.40 ml/min.

Answer 1

$K'=\frac{T_r-T_0}{T_0}$