Sample
Conc.
Techniquea

% NaCl (m/v)

LODb
2-MIB

LOQb
2-MIB

LODb
GSM

LOQb
GSM

R%c
2-MIB

R%c
GSM

Within
-day
RSD%
2-MIB

Day-to-
day
RSD%
2-MIB

Within
-day
RSD%
GSM

Day-to-day
RSD%
GSM

Refd

SE

-

5.0

nde

1.0

 

 > 50

80

nd

nd

nd

nd

[22]

SE

-

1

5

1

5

75-85

70-80

7-10

nd

10-15

nd

[23]

SE

-

nd

0.3

nd

0.1

58

69

nd

nd

nd

nd

[4]

SE

-

0.1

0.3

0.1

0.3

54-101

75-121

6.9-7.8

nd

5.9-6.3

nd

[24]

 

 

 

 

 

 

 

 

 

 

 

 

 

SPE

-

nd

nd

nd

nd

< 50

< 50

nd

nd

nd

nd

[22]

SPE

30

< 0.4

0.4

< 0.4

0.2

nd

nd

1.6

nd

0.6

nd

[25]

SPME

-

1

0.5

1

0.20

118

78

8.3

nd

12.4

nd

[26]

 

 

 

 

 

 

 

 

 

 

 

 

 

HS-D

20

1

nd

1

nd

nd

nd

nd

nd

nd

nd

[27]

HS-SPE

-

0.1

1

0.1

1

115

104

nd

nd

nd

nd

[28]

HS-SPME

-

0.6

nd

0.3

nd

96

97

nd

nd

nd

nd

[29]

HS-SPME

25

15

nd

10

nd

nd

nd

nd

nd

nd

nd

[30]

HS-SPME

25

nd

nd

nd

nd

83-97

86-96

nd

nd

nd

nd

[31]

PT

-

0.1
µg/kg

> 0.5 µg/kg

0.1 µg/kg

> 0.5 µg/kg

39

59

nd

< 7

nd

nd

[32]

PT

-

nd

nd

nd

nd

nd

nd

1-48

nd

1-34

nd

[33]

PT

10

1

nd

1

nd

nd

nd

6.6

nd

4.7

nd

[34]

PT

25

1

3.3

2

6.7

85

94

6.4

nd

7.9

nd

[35]

PT

10

1

0.2

1

0.1

107

104

5.8

nd

7.4

nd

[36]

PT

-

1

2

1

2

84
117f

86
92f

8.2
6.4f

14.1

9.2
4.3f

13.7

[37]

PT

-

1.4

nd

0.08

nd

99-113
88f; 87f

99-116
105f; 103f

7.6g; 7.3h

5.4g; 4.6h

6.1i; 3.4j

1.8i; 2.2j

[38]
a Conc. = concentration; D = dynamic; HS = headspace; SE = solvent extraction; SPE = solid phase extraction; SPME = solid phase micro extraction; PT = purge-and-trap
b Units: ng/L, unless otherwise stated; c Recovery from MQ water; d Reference; e nd = no data reported; f Raw water; g At 2 ng/L; h At 100 ng/L; i At 20 ng/L; j At 300 ng/L
Table 1: Comparison of method performance parameters for trace analysis of GSM and 2-MIB .
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