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Home » Offer List » Pharmaceutical Chemicals/extraction » Hyaluronic Acid (Cosmetic Grade)
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Hyaluronic Acid (Cosmetic Grade)
| Offer Type: |  |
|---|---|
| Offer Group: | Pharmaceutical Chemicals/extraction |
| Offer Post Time: | 2009-12-23 |
| Expiration Date: | 2010-03-24 |
| Details: |
Hyaluronic acid (Cosmetic Grade)
CHARACTERISTICS: White or almost white, very hygroscopic grain or powder, without odor, turn to Clear solution when dissolved in water, insoluble in ethanol, acetone and Aether Examination: pH; 6.8 Molecular weight: >= 1.00*1000000 Protein: <=0.07% Nitrogen: 2.2% Transparency: >=95.8% Loss on drying: <=9.3% Heavy metals: <=20ppm Microbial Examination: Bacteria counts <=100CFU/g Mold & Yeast <=100CFU/g Staphylococcus aureus negative Pseudomonas aeruginosa negative Shelf Life: 24months |
