Verified Company
Shangqiu Kangmeida Bio-Technology Co., Ltd.
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Factory supply best quality Sodium L-ascorbate
1.Professional Supplier
2.Quality Guaranteed
3.Competitive price
4. Fast delivery
Direct manufacturer
Good price & Best quality
Packing:accrding to your requirement
Sodium ascorbate 134-03-2
Item | Specification | Result |
Appearance | White to slightly yellow crystalline powder | White crystalline powder |
Identification | Positive | Positive |
Heavy Metals | 0.001% max | <0.001% |
Lead | 0.0002% max | <0.0002% |
Arsenic | 0.0003% | <0.0003% |
Mercury | 0.0001% max | <0.0001% |
Zinc | 0.0025% max | <0.0025% |
Copper | 0.0005% max | <0.0005% |
Specific rotation | +103-+108° | +104° |
PH (10%, W/V) | 7.0-8.0 | 7.5 |
Loss on Drying | 0.25% max | 0.06% |
Assay | 99.0%-101.0% | 99.4% |
Particle size: Through US 40mesh | 90% min | 99.2% |
Residual solvents |
| Meets USP requirement |
Storage:
kept in a light-proof,well-colsed,dry and cool place.
Service we can provide:
1. Mixed container, we can mix different items in one container.
2. Quality control, before shipment, free sample for test. after shipment, keep sample for 3 years
3. Prompt shipment with professional documents
4. Packing as your request, with photo before shipment
If you have any problem, please contact me freely!