|
Parameter
|
NPZ impurity B
|
NPZ
|
PHN
|
PHN impurity A
|
PHN impurity B
|
|---|
|
Rf
|
0.18
|
0.35
|
0.49
|
0.63
|
0.83
|
|
Resolution (Rs)
|
NA
|
1.50
|
1.58
|
1.40
|
1.64
|
|
Tailing factor (T)
|
1.50
|
0.80
|
1.30
|
1.20
|
1.20
|
|
Retention factor (k')a
|
4.56
|
1.86
|
1.04
|
0.59
|
0.20
|
|
Selectivity factor (α)b
|
NA
|
2.45
|
1.79
|
1.76
|
2.95
|
|
Column efficiency (N)c
|
262.44
|
196.00
|
635.04
|
425.11
|
737.86
|
|
Height equivalent to theoretical plate (mm)
|
0.034
|
0.046
|
0.014
|
0.021
|
0.012
|
- aRetention factor (k') = (1 − Rf)/Rf
- bCalculation of α = k'2/k'1
- cColumn efficiency (N) = 16 (z/w)2, where z is the migration length of the spot, w is the spot width
