|
Alkaloids
|
Correlation coefficient (R2)
|
Sensitivity (slope)a
|
LOD (µg/L)
|
LOQ (µg/L)
|
Recovery % ± SEb
|
ME %
|
|---|
|
Soil
|
Waterc
|
Soil
|
Water
|
|---|
|
Sandy soil
|
Sandy loam soil
|
Glass fibre
|
|---|
|
Angustifoline
|
0.989
|
y = 148x
|
0.09
|
0.20
|
89 ± 6
|
79 ± 9
|
96 ± 7
|
92 ± 4
|
11
|
7
|
|
Cytisine
|
0.997
|
y = 74x
|
1.20
|
3.44
|
92 ± 8
|
84 ± 9
|
96 ± 5
|
90 ± 5
|
11
|
8
|
|
Gramine
|
0.990
|
y = 33x
|
0.02
|
0.38
|
90 ± 11
|
81 ± 9
|
95 ± 6
|
94 ± 7
|
10
|
12
|
|
Hydroxylupanine
|
0.993
|
y = 58x
|
0.25
|
0.64
|
87 ± 7
|
72 ± 7
|
92 ± 5
|
90 ± 5
|
14
|
13
|
|
Lupanine
|
0.986
|
y = 69x
|
0.03
|
0.11
|
88 ± 5
|
80 ± 8
|
96 ± 5
|
95±5
|
8
|
5
|
|
Lupinine
|
0.983
|
y = 97x
|
0.17
|
0.61
|
87 ± 9
|
72 ± 8
|
93 ± 6
|
89 ± 6
|
19
|
14
|
|
Matrine
|
0.992
|
y = 451x
|
2.11
|
4.22
|
90 ± 6
|
87 ± 8
|
93 ± 5
|
95 ± 7
|
12
|
7
|
|
Sparteine
|
0.982
|
y = 75x
|
0.21
|
0.73
|
85 ± 10
|
77 ± 8
|
94 ± 8
|
92 ± 6
|
14
|
12
|
- ME matric effect
- aAverage of linear regression of three injections
- bAverage recovery ± standard deviation (SE)
- cDe-mineralized water
