Question

24.Which of the following columns will provide ( all columns are 30M):

1. The lowest HETP
2. Greatest retention
3. Highest relative retention
4. Best separation

                      

                                Column 1: N= 1000; k₂=1.2; α=1.16; resolution =0.6

                                Column 2: N=5000; k₂=3.9; α=1.06; resolution= 0.8

                                Column 3: N=500; k₂=4.7; α=1.31; resolution=1.1

                                Column 4: N= 2000; k₂=2.4; α=1.24; resolution=1.5

Answer 1

Answer

// ANSWER: @ nesp Height e rivalent to the crebral place. " H. Congth I Column O No place - H - for same length colors. lowest HEIP aill be gren by highest al value r Answer - Coloumn 2 For N Max, it will be dow). 6 Greatest retention Creater the K2 Value freater the retention katolk) : Kg with R2). Hence Ans Column 3 will have greater reterson 6. Reletre retention : higher the a is gre. value 2 relative letostion. - Ansa Coloum & Higher the o resolution, greater will be sepurason. Column 4 will have Best separation

a) Column 2

b) column 3

c) column 3

d) column 4