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By certification 
  
MF:C4H4O6K(SbO)1/2H2O
  MW:333.94
  Properties:Colorless transparent crystal or white crystalline powder, density 2.607.
  Quality index:
Index name |
Index |
| Appearance | white or buff crystalloid powder |
| K(SbO)C4H4O61/2H2O      %≥ |
99.0 |
| PH(2%H2O) | 3.5-4.5 |
| Compound (Cl),                         %≤ | 0.01 |
| sulfate (SO4),                           %≤ | 0.05 |
| Fe,                                %≤ | 0.005 |
  Usage:The fixing agent of dyeing,the fadeinhibitor,pigment,insecticide,additives,schistosomiasis medicine.
  Packing:50kg in metal pail.
