NILE CHEMICALS
SODIUM ALGINATE |
|
( Sodium polymannuronate ) | |
( C6H7O6Na ) | |
Solubility Slowly soluble in water | |
forms viscous solution | |
insoluble in alcohol ether | |
and chloroform. | |
Minimum assay | 91% |
Maximum Limits of Impurities : | |
Moisture | 20% |
Matter insoluble in water | 1% |
Arsenic ( As ) | 3 PPM |
Iron ( Fe ) | 300 PPM |
Lead ( Pb ) | 10 PPM |
Ash content ignition loss at 1100OC | 25% |
Sulphated ash | 35% |
Sulphur | 0.02% |
Phosphorus | 0.02% |
Chloride ( CI ) | 0.2% |