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| ITEMS | STANDARD NY/T 1447-2007 | 
| Appearance | White Granual | 
| Assay | 99.5% Max | 
| Melting point | 121-123℃ | 
| Color (Hazen) | 40 Max | 
| Heavy Metals(In terms of Lead) | 10ppm Max | 
| Arsenic | 2ppm Max | 
| Chloride, as Cl | 0.014% Max | 
| Readily Oxidizable Substances | Passed | 
| Water (Karl Fisher) | 0.5% Max | 
| Phthalic acid | 100ppm Max | 
| Biphenyl series | 100ppm Max | 
Next: Benzoic acid (Food grade)


