% Recovery of adsorbed ceftazidime on MNPs@AP@NIPAA by different solvents. [Ceftazidime]₀ = 100 mg L⁻¹, dosage = 0.01 mg/1.5 mL, temp. 25 °C, pH = 6, time = 10 min.

Eluent	Recovery extraction (%)
Methanol	97.2
Methanol/acetic acid (1%)	90.3
Methanol/acetic acid (3%)	83.4
Methanol + acetic acid 5%	78.7
Methanol/TFA (1%)	59.6
Methanol/TFA (1%)/acetic acid (1%)	56.2
Methanol/TFA (1%)/acetic acid (5%)	48.3