Specification Test Results

• Appearance (Colour):
  Yellow to Yellow-Green
• Appearance (Form):
  Powder
• Solubility (Colour):
  Yellow to Yellow-Green
• Solubility (Turbidity)
  50 mg/ml, H2O:
  Clear to Slightly Hazy
• Water (by Karl Fischer):
  ≤8 %
• Sodium (Na) Anhydrous
  By ICP-atomic emission:
  4.0 - 5.9 %
• Suitability
  For Determination of Fe++:
  Suitable
• Recommended Retest Period:
  4 years