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| ITEMS | STANDARD GB 1886 183-2016 | 
| Appearance | White crystal or crystalline powder | 
| Assay | 99.5% | 
| Readily Oxidizable Substances | Passed | 
| Readily Carbonizable Substance | Passed | 
| Heavy Metals(In terms of Lead) | 10ppm Max | 
| Loss on drying | 0.5% Max | 
| Chloride, as Cl | 0.014% Max | 
| Residue on Ignition | 0.05% Max | 
| Phthalic acid | 100ppm Max | 
| Biphenyl series | 100ppm Max | 
Next: Benzaldehyde (No chlorine)


