FOSFOMYCIN 20%&FOSFOMYCIN SODIUM

ITEMS

STANDARD

RESULTS

Characteristics

white hygroscopic powder

white hygroscopic powder

Identification

positive

positive

/p>

9.0-10.5

10.3

Specific optical rotation

-13.0°-- -15.0°

-13.7°

clear

Not more than 1#

Less than 1#

Color

Not more than B9

Less than B9

Water(%)

Not more than 1.0%

0.9%

1,2-Dihydroxylpropyl-snate

Not more than 1.0%

0.6%

Heavy metals

Not more than 20ppm

Less than 20ppm

Assay(on the anhydrous basis)

95.0%-101.0%

96.3%