Method Validation and Measurement Uncertainty (MU) Evaluation on Enrofloxacin and Ciprofloxacin in the Aquatic Products

Table 8

Determination results of added standard recovery rate of enrofloxacin and ciprofloxacin residues and MU calculation in grass carp.

The analyte	Spiked level (μg/kg)	Recovery (R, %)	(%)	(%)		t value	value
Enrofloxacin	50	95	98.33	2.06	0.00857	1.95	No significant difference	0.00880
		98.9
		99.8
		100.9
		98.1
		97.3
Ciprofloxacin	50	92.1	97.05	2.82	0.01184	2.49	No significant difference	0.01201
		99.3
		95.8
		96.9
		98.9
		99.3