Compound

Concentration (ppm)

Relative Error (%)

Relative Standard Deviation (%)

Recovery (%)

1

1.25

−3.4

1.2

96.6

2.5

−2.0

0/6

98.0

3.5

+1.4

0.3

101.4

2

1.25

−4.0

1.3

96.0

2.25

−2.7

0.5

97.3

3.25

_1.4

0.3

101.4

3

1.5

−4.7

1.5

95.3

3.0

−1.6

0.3

98.4

5.0

+1.1

0.1

101.1

4

1.5

−4.4

1.9

96.0

3.0

−1.7

0.4

98.3

5.0

+2.0

0.3

102.0

5

2.5

−6.0

1.1

95.0

3.5

−1.5

0.8

98.5

4.5

+1.1

0.3

101.1

6

1.5

−4.4

2.0

96.0

3.5

−1.2

0.5

98.8

5.0

+1.0

0.2

101.0