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1 Kilogram |
FOB Price:USD 370.0000 -650.0000 |
We can Provide you PGA as bellowed specification: | ||||
Type | Molecular weight | Assay | ||
Quite High Molecular Weight | ≥2000000 Da | ≥99.8% | ||
High Molecular Weight | ≥1000000 Da | ≥99.8% | ||
Middle Molecular Weight | ≥700000 Da | ≥99.8% | ||
Low Molecular Weight | ≤100000 Da | ≥99.8% | ||
Quite Low Molecular Weight | ≤10000 Da | ≥99.8% |
ITEM | SPECIFICATION |
Physical Appearance | White to off-white, free-flow powders |
Purity (gamma-PGA) | 99% (by HPLC) |
Molecular Weight | 700 KDA (by GPC/HPLC) |
Loss on Drying | 5% max., by automatic infrared analyzer |
PH | 5.0~7.0 |
Clarity, OD400(4% aq. sol’n) | 0.07 max |
Heavy metals | Total as Pb: 10 ppm max. |
TPC (CFU/g) | 500 max. |
E.coli | Negative |
Salmonella | Negative |
Particle size | 100% thru 100 mesh |
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