China L Arginine Powder Pharmaceutical Grade Water Soluble L-Arginine CAS 74-79-3, Find details about China L-Arginine, 74-79-3 from L Arginine Powder Pharmaceutical Grade Water Soluble L-Arginine CAS 74-79-3
Items | Limits | Test results |
Description | White crystals or crystalline power | Conforms |
Identification | Infrared absorption | Conforms |
Specific rotation | +26.3°~+27.7° | +27.06° |
Loss on drying | ≤0.5% | 0.21% |
Residue on ignition | ≤0.3% | 0.12% |
Chloride | ≤0.05% | <0.05% |
Sulfate | ≤0.03% | <0.03% |
Iron | ≤0.003% | <0.003% |
Heavy metals | ≤0.0015% | <0.0015% |
Chromatographic Purity | Meets the requirements | Conforms |
Organic volatile impurities, Methodl | Meets the requirements | Conforms |
Assay | 98.5~101.5% | 99.52% |
Conclusion:The test result of the above mentioned product meetsUSP32 standard |