D-tartaric Acid Supplier 147-71-7
CAS No:147-71-7
Appearance:White crystal or crystalline powder
Item | Index | Result |
Identification | Positive | Pass |
Solubility | Freely soluble in water, sparingly soluble in ethanol |
Pass |
Melting point | 152ºC±2ºC | Pass |
Characteristics | Fine, white, nearly odourless crystalline powder |
Pass |
GDL | 99.0-101.0% | 99.60% |
Moisture | 0.5% max. | 0.30% |
Reducing substances(as sugar) | 0.5% max. | 0.50% |
As | 1ppm max. | 1ppm |
Heavy Metals | 10ppm max. | 10ppm |
Lead | 2ppm max. | 0.5ppm |
Sulphate Ash | 0.1% max. | 0.10% |
Aerobe | 50/g max. | Pass |
Yeast | 10/g max. | Pass |
Mold | 10/g max. | Pass |
E. coli | Not available at 30g | Pass |
Salmonella | Not available at 25g | Pass |
Judgment | Conform to the requirement of FCC IV and E575 |
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