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TEST EQUIREMENTS/SPECIFICATIONS
Characteristics: A bright-red crystalline 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
Ph 4.5 to 6.5
Related substances:
Rifampicin Quinone Max.. 1.5 %
One peak: Max.. 1.0 %
Sum of peaks Max.. 3.5%
Heavy metals Max. 20 ppm
Loss on drying Max.. 1.0%
Sulphated Ash Max.. 0.1%
Assay 97.0~102.0%
N-butyl alcohol <5000ppm
Total Viable Aerobic Count ≤100CFU/g
Enterobacteria Absence
Pseudomonas Aeruginosa Absence
Staphylococcus Aureus Absence
Bulk Density 0.53g/ml |