Specification Test Results

• Appearance:
  White Crystalline powder
• Infrared spectrum:
  Conforms
• Melting point:
  173 to 175 °C
• Titration with NaOH:
  ≥98.5 %
• Chloride (Cl):
  ≤0.0001 %
• Sulfide (S):
  ≤0.00001 %
• Phosphate (PO4):
  ≤0.0001 %
• Carbonate (as CO2):
  ≤0.002 %
• Aluminium (Al):
  ≤0.00001 %
• Antimony (Sb):
  ≤0.000002 %
• Arsenic (As):
  ≤0.00001 %
• Barium (Ba):
  ≤0.00001 %
• Beryllium (Be):
  ≤0.00001 %
• Bismuth (Bi):
  ≤0.000005 %
• Cadmium (Cd):
  ≤0.00001 %
• Calcium (Ca):
  ≤0.0001 %
• Chromium (Cr):
  ≤0.000005 %
• Cobalt (Co):
  ≤0.00001 %
• Gallium (Ga):
  ≤0.000005 %
• Germanium (Ge):
  ≤0.000002 %
• Gold (Au):
  ≤0.00001 %
• Indium (In):
  ≤0.000005 %
• Iron (Fe):
  ≤0.00001 %
• Lead (Pb):
  ≤0.000005 %
• Lithium (Li):
  ≤0.000002 %
• Magnesium (Mg):
  ≤0.00005 %
• Manganese (Mn):
  ≤0.000001 %
• Mercury (Hg):
  ≤0.00001 %
• Molybdenum (Mo):
  ≤0.000002 %
• Nickel (Ni):
  ≤0.000005 %
• Platinum (Pt):
  ≤0.00001 %
• Potassium (K):
  ≤0.0001 %
• Silicon (Si):
  ≤0.00002 %
• Silver (Ag):
  ≤0.000002 %
• Sodium (Na):
  ≤0.0002 %
• Strontium (Sr):
  ≤0.0001 %
• Thallium (Tl):
  ≤0.000002 %
• Tin (Sn):
  ≤0.000005 %
• Titanium (Ti):
  ≤0.000005 %
• Vanadium (V):
  ≤0.000002 %
• Zinc (Zn):
  ≤0.00001 %
• Zirconium (Zr):
  ≤0.000005 %
• Heavy metals (as Pb):
  ≤1 ppm
• KMnO4-reducing substance:
  ≤0.001 % (as O)