Business Type:Trading Company
Product Certification&
Enterprise Certification
Country: China (Mainland)
Business Type:Trading Company
Items |
Requirements |
Description |
White crystalline powder |
Identification |
A250/A260=0.70~0.80 A280/A260=0.32~0.38 λmax=262±2nm |
Clarity&color of solution |
Clarifying ,colorless |
Specific rotation |
+6.0~+10.0° |
Loss on drying |
≤0.5% |
Residue on ignition |
≤0.10% |
Heavy metals |
≤0.001% |
Purity(HPLC) |
≥98.0% |
Assay(on dry basis) |
98.0~102.0% |