ITEMS | STANDARD |
Appearance | White crystalline powder |
Purity | 99.5% min |
Melting point | 287 ℃ min |
Heavy metals( as Pb) | 10 ppm max |
Residue on ignition | 0.1% max |
Arsenic(as As) | 3 ppm max |
Loss on drying | 0.5% max |
Maleic Acid | 0.1% max |
Fumaric acid
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