硫酸链霉素

BP2007

一种白色或类白色粉末

Appearance A white or almost white powder, hygroscopic
Identification Very soluble in water, practically insoluble in ethanol
A.TLC-test: principal spot should be as per ref. standard
B. Reaction with ferric chloride: violet color develops
C. Reaction with sodium hypochlorite: Red color develops
D. Reaction with hydrochloric acid: faint yellow color develops
E. Reaction of sulphate
Appearance of solution Color: not more intense than ref. Sol. 3
Clarity: Not more opalescent than ref. suspension II
PH 4.5-7.0
Methanol 0.3% max
Streptomycin B 3.0% max
Loss on drying 7.0% max
Sulphated ash 1.0% max
Sulphate 18.0%~21.5%
Colorimetric test 90.0%min
Assay(dried potency) 720 IU/mg min