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Table 1 Solvents examined for the extraction of ciprofloxacin during analysis by HPLC–DAD

From: Salting-out assisted liquid–liquid extraction for the determination of ciprofloxacin residues in water samples by high performance liquid chromatography–diode array detector

Extraction solvent

Phase separation during extraction

Peak of analyte

Acetonitrile

Partition on the addition of salt

Observed

Acetone

No partition and salt did not dissolved

Not observed

Diethyl ether

Partition before addition of salt

No observed

Ethyl acetate

Partition before addition of salt

No observed

Methanol

No partition and salt did not dissolved

No observed