Electrospun Membrane for the Extraction of Acrylamide in Pet Food Samples

Table 2

Concentration of acrylamide from real samples and the extraction recoveries by nanostructured membrane microextraction.

Sample	Concentration in dry food (μg/kg)	Relative recovery (%), spiked at 5 μg/kg	% RSD (n = 3)	Relative recovery (%), spiked at 10 μg/kg	% RSD (n = 3)
Brand A	0.33	93.7	5.6	79.7	5.9
Brand B	0.52	96.3	9.2	90.9	10.4
Brand C	0.72	113.9	4.2	106.3	6.7
Brand D	0.61	101.8	12.3	106.2	5.2