Compound
Concentration added (ng/L)
Concentration found Mean ± SD (ng/L)#
RSD (%)
Accuracy/ Recovery Mean ± SD (%)
RSD (%)
Bias (%)
MQ water
2-MIB
5
3.88 ± 0.60
15.46
77.62 ± 11.92
15.36
-22.38
10
9.10 ± 0.15
1.65
90.96 ±1.48
1.63
-9.04
30
28.15 ± 1.91
6.79
93.83 ±6.36
6.78
-15.17
100
81.77 ± 7.44
9.10
81.77 ±7.44
9.10
-18.23
Mean
83.80
GSM
5
3.89 ±0.53
13.63
77.74 ± 10.66
13.77
-22.26
10
8.00 ± 0.71
8.88
79.95 ±7.06
8.83
-20.05
30
30.02 ±1.57
5.23
100.07 ±5.22
5.22
+0.07
100
85.63 ±7.80
9.11
85.63 ±7.80
9.11
-18.23
Mean
85.85
Raw water
2-MIB
5
8.20 ± 0.78
9.51
164.00 ± 15.59
9.51
+64.00
10
7.31 ± 0.82
11.22
73.08 ±8.17
11.18
- 26.92
30
32.36 ± 0.83
2.57
107.87 ±2.78
2.58
+7.87
100
124.59 ± 2.86
2.30
124.59 ±2.86
2.30
+24.59
Mean
6.40
117.39
6.39
+17.39
GSM
5
6.43 ± 0.27
4.20
83.37 ± 5.40
6.48
-16.63
10
8.75 ± 0.55
6.29
87.49 ± 5.53
6.32
-12.51
30
29.52 ± 0.98
3.32
93.57 ± 3.27
3.95
-6.43
100
103.47 ± 3.86
3.53
103.47 ± 3.86
3.73
+3.47
Mean
4.34
91.98
5.12
-8.03
#After blank correction
Table 5:
Accuracy, bias and precision of analytes (n = 10).
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