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| Diltiazem HCl SR Pellet |
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Specifications: |
In-house standard |
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Characteristics |
White or off-white spherical granules |
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Identification |
1.Max absorption at 236nm |
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2.A bule color is produced in the chloroform layer |
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3.The retention time of the principal peak of substance being examined in the chromatogram obtained under assay is concordant with that of CRS |
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Related substance |
The sum of the area of all impurity peaks in chromatogram obtained with test solution is not greater than the area of the principal peak in chromatogram obtained with reference solution |
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Dissolution Test |
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After 1 hour |
15% ~ 35% |
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After 2 hours |
50% ~ 80% |
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After 4 hours |
=75% |
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Assay |
650 ~ 740mg/g |
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Packaging: |
25 kg/drum | |
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