Specification Test Results

• Appearance:
  A Clear, Colourless Hygroscopic Viscous Liquid
• Assay:
  ≥98.00%
• Specific Gravity (At 25 °C):
  About 1.84
• Maximum Limits of Impurities, Residue on Ignition (As SO₄):
  ≤0.002000%
• Maximum Limits of Impurities, Chloride (Cl):
  ≤0.00002%
• Maximum Limits of Impurities, Nitrate (NO₃):
  ≤0.00002%
• Maximum Limits of Impurities, Ammonium (NH₄):
  ≤0.0002%
• Maximum Limits of Impurities, Arsenic (As):
  ≤0.000001%
• Maximum Limits of Impurities, Iron (Fe):
  ≤0.00002%
• Maximum Limits of Impurities, Heavy Metal (As Pb):
  ≤0.00001%
• Maximum Limits of Impurities, Substances Reducing Permanganate:
  ≤0.0001%
• Maximum Limits of Impurities, Copper (Cu):
  ≤0.00001%
• Maximum Limits of Impurities, Selenium:
  ≤0.001%