| CAS No.: | 9005-38-3 |
|---|---|
| Formula: | C5h7o4coona |
| Type: | Synthesis Material Intermediates |
|
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Chemical Name: Sodium alginate
CAS No.: 9005-38-3
Molecular Fomula:C5H7O4COONa
Appearance: yellow powder
Assay:90%-100%
| Items | Standards | ||
| Appearance | White powder | ||
| Particule size | 80 Mesh | ||
| Viscosity (mPa.s, 1% solution, 20ºC) | 1000 Mpa.s(1%solution natural basis | ||
| Assay (dry basis, %) | 90.8 - 106% | ||
| Loss on drying (105ºC, 4h) | ≤ 15% | ||
| pH (1% solution) | 6.0 - 7.5 | ||
| Water insolubles (dry basis) | ≤ 2% | ||
| Total ash | 18 - 27% | ||
| Copper (Cu) | ≤ 10PPM | ||
| Zinc (Zn) | ≤ 10PPM | ||
| Lead (Pb) | ≤ 3PPM | ||
| Cadmium (Cd) | ≤ 1PPM | ||
| Total Heavy metals (as Pb) | ≤ 10PPM | ||
| Total plate count | ≤ 5000 cfu/g | ||
| Yeast & mould | ≤ 500 cfu/g | ||
| Salmonella/ 10g | Absent | ||
| E. Coli/ 5g | Absent | ||
| Rormaldehyde | ≤50mg/kg |
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