TESTS |
STANDARD |
RESULTS |
Appearance |
White Or Almost White, Slightlyhygroscopiccrystalline Powder. |
Almost White, Slightly Hygroscopic Crystalline Powder. |
Solubility |
Slightly Soluble In Water And Inmethanol,practically Insoluble In Hexane. |
Complies |
Identification |
By Infrared Absorptionspectrophotometry |
Complies |
Impurity E [By TLC] |
NMT0.1% |
Complies |
RelatedSubstances[ByHPLC] |
Impurity A : NMT 0.3% UnspecifiedImpurity : NMT 0.1% Sum Of Unspecified Impurities : NMT 0.3% Total Impurities : NMT 0.5% |
Nil 0.07% 0.12% 0.22% |
HeavyMetals |
Maximum 20ppm |
Less Than 20ppm |
Water |
Maximum2.5% |
1.80% |
SulphatedAsh |
Maximum0.1% |
0.07% |
Assay [ByH.P.L.C.] |
Between 98.0% To102.0% [of Anhydrous Substance] |
99.45% |