Chemical Formula ： [(C 6 H 7 O 6 ) 2 Ca] n
CAS NO ： 9005-35-0
Description：Occurs as white to yellowish brown filamentous, grainy, granular and powdered forms .
Solubility ：Insoluble in water and ether; slightly soluble in ethanol; slowly soluble in solutions of sodium polyphosphate, sodium carbonate, and substances that combine with calcium ions.
| ITEMS | STANDARD |
|---|---|
| Appearance | white to yellowish brown filamentous, grainy, powder |
| assay(C6H7Ca1/2O6)n | 89.6%- 104.5% |
| CALCIUM | 8.0- 11.5% |
| mesh | 90% pass 60 mesh |
| LOSS ON DRYING(105℃, 4h) | =<15% |
| PH (1% Solution) | 6.0 - 9.5 |
| sulphate ASH | 28- 36% |
| LEAD (PB) | =<5 PPM |
| ARSENIC (AS) | =<3 PPM |
| TOTAL HEAVY METAL | =<20 PPM |
| TOTAL plate COUNT | < 5000CFU/G |
| YEAST AND MOULD | < 500CFU/G |
| SALMONELLA | ABSENT |
| E. COLI | ABSENT IN 25 G |
Applied in food industry as stabilizer, thickener, gelling agent, emulsifier .Calcium alginate are extracted from natural seaweed carbohydrates, can be used as a calcium additive for health food industry.
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