Analytical curve of D-sorbitol

[0.012; 0.020; 0.048; 0.075 and 0.10 µg∙mL−1]

Sensitivity

LD (linearity at 95%)

LQ (linearity at 95%)

R2

Y = 8650794.73x

0.03 µg∙mL−1

0.14 µg∙mL−1

0.99

-

Recovery (solid phase extraction)

Fortification level estimated

(µg∙mL−1)

Fortification level determined (µg∙mL−1) X ± σ

% of recovery

C.V. (%)

Student

tcalculated

0.040

0.039 ± 0.0030

98.0 (96 - 99)

7.9

0.103

0.070

0.077 ± 0.0011

110.0 (95 - 100)

1.4

0.002

0.100

0.096 ± 0.0080

96.0 (101 - 103)

8.6

0.016