TESTEQUIREMENTS/SPECIFICATIONS
Characteristics:Abright-redcrystalline powder
slightly soluble in water,
soluble in methanol, slightly soluble
in acetone and alcohol
Identification:A:
UV/VIS shows 4 absorptions(237nm, 254nm,
334nm and 475nm)maxima
B:IR spectra should be as per ref. Standard
C:reaction with persulphate
Ph4.5 to 6.5
Related substances:
Rifampicin QuinoneMax.. 1.5 %
One peak:Max.. 1.0 %
Sum of peaksMax.. 3.5%
Heavy metalsMax. 20 ppm
Loss on dryingMax.. 1.0%
Sulphated AshMax.. 0.1%
Assay97.0～102.0%
N-butyl alcohol <5000ppm
Total Viable Aerobic Count≤100CFU/g
EnterobacteriaAbsence
Pseudomonas AeruginosaAbsence
Staphylococcus AureusAbsence
Bulk Density0.53g/ml
