China supply High purity Ascorbic acid Vitamin C powder 50-81-7
US $7.00-$12.00
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ITEM | STANDARD | RESULTS | ||||
Appearance | White or light yellow powder | Conform | ||||
Colour in sloution | Colourless | Conform | ||||
DE Value | 10-12,10-15,15-20,18-20,20-25 | 17.6 | ||||
Moisture | 6.0%max | 5.5% | ||||
Solubility | 98%min | 99.1% | ||||
Sulphate Ash | 0.6%max | 0.2% | ||||
Iodine Experiment | Not changing blue | Conform | ||||
PH(5% solution) | 4.0-6.0 | 5.0 | ||||
Bulk Density(compacted) | 500-650g/l | 568g/l | ||||
Fatness | 5%max | Conforms | ||||
Arsenic | 5ppm max | Conform | ||||
Lead | 5ppm max | Conform | ||||
Sulfur Dioxide | 100ppm max | Conform | ||||
Total Plate Count | 3000cfu/g max | Conform | ||||
E.coil(per100g) | 30 max | Conform | ||||
Pathogen | Negative | Negative | ||||
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