| Powder: | Yes |
|---|---|
| Certification: | GMP, HSE, ISO 9001, USP, BP |
| Suitable for: | Elderly, Children, Adult |
| State: | Solid |
| Purity: | >99% |
| Purity Degree: | 99% |
| Customization: |
|---|
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| Items |
Standard |
Result | |
| Appearance | It should be a yellowish to yellow crystalline powder with a slight odor. | Yellowish crystalline powder with slight odor | |
| Specific curl | -58° ~ -66° | -65° | |
| Absorption coefficient | 570 ~ 610 |
594 | |
| Identification | 1. In the chromatogram recorded under the content determination, the retention time of the main peak of the sample solution should be the same as the retention time of the main peak of the reference solution. 2. The infrared absorption spectra of the product should be consistent with those of the control. |
1. In the chromatogram recorded under the content determination, the retention time of the main peak of the test solution is the same as that of the control solution. 2. The infrared absorption spectra of the product should be consistent with those of the control. |
|
| Crystallinity | Complies | Complies | |
| PH | 2.5 ~ 4.5 | 3.4 | |
| Relevant substances | Impurity A(RRT:0.14) | ≤0.2% | 0.12% |
| Impurity B(RRT:0.29) | ≤0.2% | Not detected | |
|
Items |
Standard |
Result |
|
Appearance |
White to off-white powder |
White powder |
|
Assay (W/W dry basis) |
≥98.0% |
99.16 % |
|
Residue on ignition |
<0.5% |
0.256% |
|
Water (w/w by KF) |
≤1.0% |
0.420% |
|
pH Value(1% aq.) |
5~9 |
7.28 |
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Audited Supplier 
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