ITEM	STANDARD
Assay.%	98.5-101.5 (Hplc)
? ????? Identification a	Conform (Ir)
?Identification b (Ratio:a245/a262)	0.63-0.67 (Uv)
Melting Range ℃	?128-131
Loss On Drying %	?=< 0.5 (Silica Gel Drier)
Residue On Ignition %	=< 0.1( High Temperature Ignition)
Heavy Metals，%	=<0.003 (Colorimetry)
Readily Carbonizable Substances	Conform (Colorimetry)

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