Items	Specifications	Results
Characters	Yellow or light yellow clear crystal powder	Comply
Melting point	221~236℃	222.7~223.4℃
Identification	Should be Positive reaction	Positive reaction
Fluorine	≥0.5%	Comply
Fluoroquinolonic acid	Should be comply	Comply
Ciprofloxacin	≤1.0%	0.09%
Loss on drying	≤3.0%	0.07%
Residue on ignition	≤0.2%	Comply
Heavy metals	≤20PPM	Comply
Assay (on the dried basis)	≥98.5% C19H22FN3O3	99.7%