tests |
specifications |
results |
appearance |
a white to off-white colour powder |
off-white colour powder |
identification |
(1) ir: conforms to standard (2) uv: max at 285nm |
conforms conforms |
residue on ignition |
not more than 0.1% |
0.05% |
moisture content by kf |
not more than 0.1% |
0.09% |
related substances rrt=0.8 rrt=1.1 rrt=1.2 other individual impurity total impurities |
not more than 0.1% not more than 0.4% not more than 0.1% not more than 0.1% not more than 0.6% |
not detected 0.23% 0.05% not detected 0.28% |
assay |
98.0%~102.0% |
98.9% |
conclusion |
complies with usp32 |