Samples  Ratio of
NLB:NLX:NLT		 Taken
μg mL-1 		NLB NLX NLT
Found
μg mL-1		 % Recovery Found
μg mL-1		 %
Recovery		 Found
μg mL-1		 %
Recovery
  Serum 1:1:1
1:2:2
1:4:4
1:5:5
1:6:6		 20:20:20
20:40:40
20:80:80
20:100:100
20:120:120		 19.85
39.79
78.56
99.50
119.57		 99.25
99.47
98.20
99.50
99.64		 19.69
39.82
79.75
99.90
119.62		 98.46
99.54
99.69
99.90
99.68		 19.60
39.84
79.49
99.70
119.48		 98.00
99.59
99.36
99.70
99.57
Mean ± SD
n
Variance
**%SE		 99.21 ± 0.6
5
0.36
0.27		 99.45 ± 0.6
5
0.36
0.27		 99.24 ± 0.7
5
0.49
0.31
  Urine 1:1:1
1:2:2
1:4:4
1:5:5
1:6:6		 20:20:20
20:40:40
20:80:80
20:100:100
20:120:120		 19.69
39.94
79.50
99.33
119.58		 98.48
99.87
99.38
99.33
99.65		 19.60
39.65
79.32
99.50
119.28		 98.00
99.12
99.15
99.50
99.40		 20.00
39.74
79.50
99.79
118.79		 100.00
99.35
99.38
99.79
98.99
Mean ± SD
n
Variance
**%SE		 99.33 ± 0.5
5
0.25
0.22		 99.03 ± 0.6
5
0.36
0.27		 99.50 ± 0.4
5
0.16
0.18
**%SE= SD/image
Table 7: Analytical results of the determination of NLB, NLX and NLT in human serum and urine using CZE method.