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| Specification | Standard | Test Result |
| Identification | A.Infrared Absorption B: It meets the requirements of the tests for chloride. C: The retention time in the Assay corresponds to the standartd | Conform |
| Assay (drying basis) | 98%~102% | 99.72% |
| Specification Rotation[]20D | 52°- 54° | 53.14° |
| PH value(2%.25°) | 3.0~5.0 | 4.10 |
| Loss on drying | <0.5% | 0.04% |
| Residue on Ignition | 23.5%~25.0% | 24.1% |
| Sulfate Content | 16.3-17.3% | 16.4% |
| Chloride | 11.7-13.0% | 12.2% |
| Sodium | Meet requirement | Conform |
| Potassium | No precipitate is formed | Conform |
| Heavy metal | ≤10ppm | Conform |
| Bulk Density | ≥0.5g/ml | 0.52g/ml |
| Arsenic | ≤3ppm | Conform |
| Microbiological test | ||
| Total plate count | ≤500 cfu/g | Conform |
| Yeast & Moulds | ≤100 cfu/g | Conform |
| E.coli | Negative | Conform |
| Salmonella | Negative | Conform |
| Staphyloccus | Negative | Conform |
| Coliforms | Negative | Conform |
| Pseudomonas | Negative | Conform |
| Mesh Size | 100% thru 80mesh | Conform |
| Appearance | Crystallion powder,white | Conform |
| Shelf life | 2 years | Conform |
| conclusion | Conform to USP 36 requirements | Conform |
D-Glucosamine Sulphate 2nacl