Payment: T/T, L/C Product Origin: China Shipping Port: Beijing/Shanghai/Hangzhou Order (MOQ): 1kg Lead Time: 3 working days Production capacity: 1000kg/month Storage condition: Stored in cool, dry place, room temperature. Package material: drum Package size:1kg/drum, 5kg/drum, 10kg/drum, 25kg/drum| Items | Specifications |
| Appearance | White to slightly yellow monocline rhombus crystalline,needle crystalline powder |
| Identification(MS) | positive |
| Clarity and colour of solution | 5ml 1% 1N NaOH solution is colourless and clear |
| Chlorides | ≤0.005% |
| Sulfates | ≤0.025% |
| Heavy metals | ≤0.001% |
| Fe | ≤0.002% |
| Assay (by HPLC) | ≥99.0% |
| Particle size | 100%<80um,min50%<50um |