Daya

Calibration standard (ng/L)

2-M-2-B tr (min)

2-M-2-B area

2-MIB tr (min)

2-MIB area

% Area 2-M-2-B of totalb

3

 

 

 

 

 

 

 

  5

9.23

  115085

11.99

  578029

16.60

 

10

9.22

    89009

11.99

  801441

10.00

 

20

9.19

  183669

11.99

1451559

11.23

 

30

9.18

  305983

11.99

1936662

13.64

 

50

9.19

  810465

11.99

3112143

20.66

 

100

9.19

1488939

11.99

5978289

19.94

 

Mean

9.20

 

11.99

 

15.35

 

SD

0.02

 

  0.00

 

  4.46

 

RSD%

0.22

 

  0.02

 

29.05

4

  5

9.19

  142490

11.99

  259754

35.42

 

10

9.18

  265349

11.99

  430539

38.13

 

20

9.19

  440118

11.99

  764791

36.53

 

30

9.18

  656460

11.99

1236145

34.69

 

50

9.18

1116240

11.99

2049664

35.26

 

100

9.18

2585342

11.99

4001196

39.25

 

Mean

9.18

 

11.99

 

36.55

 

SD

0.00

 

  0.00

 

  1.80

 

RSD%

0.05

 

  0.02

 

  4.93
a Calibration run for day 3 and day 4
b Calculated as follows: [TIC area of 2-M-2-B (at ± 9.2 min)/(TIC area of 2-M-2-B (at ± 9.2 min) + TIC area of 2-MIB (at ± 12.0 min))] 100
Table 3: Within-day variation of 2-M-2-B formation.
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