Table 4 Analysis performance of AO and MB extracted with the MgO-NPs.

From: Dispersive solid phase microextraction based on magnesium oxide nanoparticles for preconcentration of auramine O and methylene blue from water samples

Analytes

LDRa

Regression equation

Correlation coefficient

LODb

RSDc

PFd

Recoveries (%)

AO

1–1000

y = 0.0013x- 0.0059

0.9986

0.33

3.1

44.5

94.73–99.57

MB

5–2000

y = 0.0007x- 0.0092

0.9985

1.66

2.9

44.5

92.85–99.36

  1. aLinear dynamic range (ng mL−1), bLimit of detections (ng mL−1), cRelative standard deviation (n = 5), dPreconcentration factor.
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