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Quinine sulphate dihydrate, meets analytical specification of USP
 
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Quinine sulphate dihydrate, meets analytical specification of USP

 

  • Appearance:
    White Powder or crystals or needles
  • Water:
    4.0 to 5.5 % (K.F.)
  • Heavy metals:
    ≤10 ppm
  • Identification A:
    Passes test
  • Identification B:
    Passes test
  • Identification C:
    Passes test
  • Residue after ignition:
    ≤0.1 %
  • Specific optical rotation:
    -235° to -245° (20°C, 589 nm) (c=2, 0.1 N HCl) (on anhydrous basis
  • Titration with HClO4:
    99.0 to 101.0 % (on anhydrous basis)
  • Insoluble matter:
    ≤0.1 % (in mixture of chloroform-alcohol (2:1))
  • Organic impurities:
    Passes test
  • Dihydroquinine sulfate:
    ≤10.0 %

 

 

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